EP0639095B1 - Toy building element - Google Patents
Toy building element Download PDFInfo
- Publication number
- EP0639095B1 EP0639095B1 EP93911675A EP93911675A EP0639095B1 EP 0639095 B1 EP0639095 B1 EP 0639095B1 EP 93911675 A EP93911675 A EP 93911675A EP 93911675 A EP93911675 A EP 93911675A EP 0639095 B1 EP0639095 B1 EP 0639095B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- block
- protuberance
- toy building
- building element
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
- A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
- A63H33/086—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails with primary projections fitting by friction in complementary spaces between secondary projections, e.g. sidewalls
Definitions
- This invention relates to a toy building element which incorporates a block having semi-circular curved ends and releasable engagement means which allows other like blocks relative rotation about an axis of the engagement means.
- the prior art of toy building elements, and in particular blocks has many examples of block design which include substantially rectangular blocks with protrusions of cylindrical and other shapes that engage with an interference fit, into complementary cavities, located in the bases of similar blocks. This configuration allows blocks to be placed together in various combinations dependent upon the configuration of the protrusions and cavities used.
- a block has parallel sides, parallel top and bottom surfaces, cylindrically shaped protuberances projecting from its top surface and cavities for location of similar protuberances in its underside.
- Each of the blocks has identical configuration of protuberances and cavities and the blocks are capable of being interconnected, bottom to top or vice versa, the protuberances and internal cavities, when the blocks are thus interconnected, releasably engaging one another.
- the blocks can be disengaged and one or both of the blocks can be rotated about an axis which is normal to the top and bottom of the block and the block can then be re-engaged. This manipulation is possible as a direct result of the configuration of the protuberances and cavities thereon.
- the Interlego A.G. range of toy building elements is shaped and configured in a multiplicity of ways but the common engagement means is by interference fit of a cylindrical protuberance into a complementary cavity.
- the present invention provides a toy building block having a protuberance on an outer surface thereof, the protuberance having a ridge which engages a complementary groove in a cavity in another block by resilient deformation, thereby enabling relative rotation and releasable retention.
- a further problem of the prior art is that curved structures cannot be constructed with the standard block and this need is met by the supply of fixed curvature blocks.
- a still further object of this invention is to provide a block that is simple to manufacture and simple to use.
- a toy building element comprises at least one protuberance projecting from an upper surface thereof and at least one downwardly opening cavity on the underside of the element, the or each protuberance having a circumferential ridge, and the or each cavity having an internal circumferential groove, such that, when two like elements are to be joined together the or each protuberance is press-fitted within a respective said cavity with the ridge engaging within an associated said groove to thereby interlock the elements together, with the elements being able to swivel relative to one another about an axis common to both the cavity and the protuberance received therein.
- each building element has a pair of protuberances and a pair of complementary cavities on opposite faces thereof, for interlocking with similar elements.
- each element is a hollow block having an open bottom and a closed top wall, the top wall having a generally planar upper surface, two opposed parallel sides and two opposed end walls depending from the periphery of the top wall, wherein the end walls are convexly curved with each protuberance being disposed at approximately the centre of curvature of a respective said curved end wall adjacent thereto.
- the block elements are injection moulded of resilient plastics material, e.g. polyethylene or polypropylene.
- adapter blocks can be provided, each of which has on one of its major faces a configuration of either bosses or cavities which are interlockable with the cavities or bosses respectively on existing building elements, its other major face having a configuration of either protuberances or cavities according to the present invention.
- FIGs. 1 to 3 there is shown an approximately oval shaped toy building block 10 having a closed planar top end 11, an open bottom end 12, parallel side walls 13 and semi-circular end walls 14.
- the upper surface of top end 11 has projecting upwardly therefrom, a pair of spaced apart circular hollow bosses or protuberances 15 each having a cylindrical side wall 16 and a flat closed end wall 17.
- Each of the side walls 16 has a circumferential rib or ridge 18 extending therearound, the ridges 18 being designed to lockingly engage in shallow circular grooves 20, formed on the inside of cylindrical cavities 21, as shown in Fig. 2, of another block 10.
- the cavities 21 extend inwardly from the open bottom end 12 of the block 10 and are defined by cylindrical walls 22 which are co-axial with corresponding protuberances 15. The diameter of the cavities 21 is marginally greater than the diameter of the protuberances 15.
- FIGs. 4 and 5 of the drawings several identical blocks 10, 10' are snap-fittingly engaged by pressing same together in the direction indicated by arrows 23 to form two horizontal layers, with a protuberance 15 on block 10 engaging within a cavity 21' on block 10' and its associated ridge 18 engaging within the groove 20' of cavity 21'.
- the blocks 10, 10' can be rotated relative to one another about axis a-a as shown on Fig. 4, which shows the top block 10' being rotatable with respect to the fixed position of the bottom block 10.
- Disengagement of the blocks is achieved by reversing the engagement process described above. An audible "click” is evident with each engagement and disengagement procedure.
- the disengagement of the blocks can be done by means of a suitable tool (or block) having a lug which can be inserted between the engaged blocks through slots 25 formed in the end walls 14 thereof in order to lever the blocks apart.
- the end walls 14 are convexly curved, in this instance semi-circular, with the protuberances 15 located respectively at the centre of curvature of the curved ends 14, adjacent thereto.
- the blocks 10 can be interlocked in horizontal layers in which each block in one layer is staggered with respect to the blocks in the adjacent layer, with each block being connected to an horizontally adjacent block through the block(s) immediately vertically adjacent.
- a building block 30 is circular in plan and comprises a smooth cylindrical wall 31 which extends between the closed top end and open bottom end of the block, the top end having a cylindrical protuberance 32 centrally disposed thereon, whilst the bottom end has extending inwardly therefrom a central cavity 33 defined by cylindrical wall 34.
- the protuberance or boss 32 has a circumferential rib 35, whilst the wall 34 is provided with an internal groove 36 in which a rib on a protuberance of another block (whether the same or different) can be lockingly engaged when the blocks are press fitted together.
- the block 30 allows different block construction assemblies to be interconnected, e.g. joining a ring structure to a layered structure.
- Block 40 has an upper body portion which is identical to that of block 10, whilst its underside is provided with a plurality of cavities 41 which are configured so that the block 40 can be connected to an existing "Lego" block through frictional contact between the cavity walls 42 and the bosses on the top face of the other block.
- the upper planar face 43 of block 40 has two protuberances 44 each having ridges 45 to enable the block to connect to blocks 10, 30 of the present invention.
- Block 50 has a lower body portion identical to that of block 10, whilst its upper face is provided with a series of bosses 52 which are configured so that the block 50 can connect to the bottom of an existing "Lego" block.
- the underside of block 50 has two cavities 53, each having circumferential grooves 54 to enable same to connect to the blocks 10, 30 of the present invention (or to block 40).
- a block 60 which in many respects is identical to block 30 (Fig. 6), but in addition is provided with a pair of diametrically opposite protuberances 61 and a pair of diametrically opposite cavities 62 spaced around the cylindrical wall 63 of the block 60.
- the top face of block 60 has a central protuberance 65 with a ridge 66 extending therearound, and the open bottom end has a central cylindrical cavity 67 with groove 68, extending inwardly therefrom.
- the building element could have a cross shape which maintains the flexibility of rotational displacement, upon engagement, of additional blocks.
- ridge located on the cylindrical protrusion of the embodiments shown could be substituted with a series of knobs, spherical protrusions or like shapes complementary to the annular groove which define a circumferential ridge, such as to allow rotational movement of the building elements upon engagement.
- toy blocks of the preset invention provide far greater versatility in constructing building structures than can be achieved with prior art toy building elements, in that they enable the construction of curved structures, are simple to use and can be manufactured at low cost.
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- Toys (AREA)
Abstract
Description
- This invention relates to a toy building element which incorporates a block having semi-circular curved ends and releasable engagement means which allows other like blocks relative rotation about an axis of the engagement means.
- The prior art of toy building elements, and in particular blocks, has many examples of block design which include substantially rectangular blocks with protrusions of cylindrical and other shapes that engage with an interference fit, into complementary cavities, located in the bases of similar blocks. This configuration allows blocks to be placed together in various combinations dependent upon the configuration of the protrusions and cavities used.
- A well known example is a product produced by the company Interlego A.G. and sold under the Registered Trade Mark "Lego". In one of its most basic aspects, a block has parallel sides, parallel top and bottom surfaces, cylindrically shaped protuberances projecting from its top surface and cavities for location of similar protuberances in its underside. Each of the blocks has identical configuration of protuberances and cavities and the blocks are capable of being interconnected, bottom to top or vice versa, the protuberances and internal cavities, when the blocks are thus interconnected, releasably engaging one another.
- The blocks can be disengaged and one or both of the blocks can be rotated about an axis which is normal to the top and bottom of the block and the block can then be re-engaged. This manipulation is possible as a direct result of the configuration of the protuberances and cavities thereon.
- The Interlego A.G. range of toy building elements is shaped and configured in a multiplicity of ways but the common engagement means is by interference fit of a cylindrical protuberance into a complementary cavity.
- Other toy building elements exist that utilise ridges and reciprocal cavities on the top, bottom and also sides of the block as evidenced by examples in U.S. 3905150, DE 1603304 and AU 86/51923.
- The prior art of toy building blocks that require interference fit engagement means rely on the frictional strength and stability of the coupled blocks. This has the disadvantage of reliance on a single protuberance and cavity in some cases. In other configurations of the construction of items with the abovementioned blocks, there is no rotation of the interconnected blocks, one with respect to the other, lest the interference fit twists itself out of frictional engagement.
- It is an object of this invention to overcome at least some of the above shortcomings.
- In its broadest aspect, the present invention provides a toy building block having a protuberance on an outer surface thereof, the protuberance having a ridge which engages a complementary groove in a cavity in another block by resilient deformation, thereby enabling relative rotation and releasable retention.
- A further problem of the prior art is that curved structures cannot be constructed with the standard block and this need is met by the supply of fixed curvature blocks.
- Therefore it is an object of this invention to provide a toy building element to enable the construction of curved structures.
- A still further object of this invention is to provide a block that is simple to manufacture and simple to use.
- More specifically according to this invention, a toy building element comprises at least one protuberance projecting from an upper surface thereof and at least one downwardly opening cavity on the underside of the element, the or each protuberance having a circumferential ridge, and the or each cavity having an internal circumferential groove, such that, when two like elements are to be joined together the or each protuberance is press-fitted within a respective said cavity with the ridge engaging within an associated said groove to thereby interlock the elements together, with the elements being able to swivel relative to one another about an axis common to both the cavity and the protuberance received therein.
- Preferably, each building element has a pair of protuberances and a pair of complementary cavities on opposite faces thereof, for interlocking with similar elements.
- Preferably, each element is a hollow block having an open bottom and a closed top wall, the top wall having a generally planar upper surface, two opposed parallel sides and two opposed end walls depending from the periphery of the top wall, wherein the end walls are convexly curved with each protuberance being disposed at approximately the centre of curvature of a respective said curved end wall adjacent thereto.
- Preferably, the block elements are injection moulded of resilient plastics material, e.g. polyethylene or polypropylene.
- In order to allow the block elements to be used in conjunction with existing toy building elements of a similar type, adapter blocks can be provided, each of which has on one of its major faces a configuration of either bosses or cavities which are interlockable with the cavities or bosses respectively on existing building elements, its other major face having a configuration of either protuberances or cavities according to the present invention.
- In order that the invention may be more clearly understood and readily carried into effect, several embodiments thereof will now be described by way of example only, with reference to the accompanying representations, wherein:-
- Fig. 1 shows a top perspective view of a toy building element according to a first embodiment of the invention;
- Fig. 2 is a perspective view showing the bottom of a toy building element of Fig. 1;
- Figs. 3 (a), (b) and (c) show top, bottom and side elevational views of the building element of Fig. 1;
- Fig. 4 is an elevational view, partly sectioned, showing a construction example wherein several building elements are interlocked;
- Fig. 5 is a plan view of the interlocked elements shown in Fig. 4, with the dotted lines showing the positions of rotation of one of the elements;
- Figs. 6 (a) and (b) are perspective views of a building block according to a second embodiment of the invention;
- Figs. 7 (a) and (b) are perspective views of an adapter building block according to another embodiment;
- Figs. 8 (a) and (b) are perspective views of another block according to a further embodiment of the invention; and
- Figs. 9 (a) and (b) are perspective views of another adapter block for connection to other makes of building block elements of a similar kind.
- Referring to Figs. 1 to 3, there is shown an approximately oval shaped
toy building block 10 having a closed planartop end 11, anopen bottom end 12,parallel side walls 13 andsemi-circular end walls 14. The upper surface oftop end 11 has projecting upwardly therefrom, a pair of spaced apart circular hollow bosses orprotuberances 15 each having acylindrical side wall 16 and a flat closedend wall 17. Each of theside walls 16 has a circumferential rib orridge 18 extending therearound, theridges 18 being designed to lockingly engage in shallowcircular grooves 20, formed on the inside ofcylindrical cavities 21, as shown in Fig. 2, ofanother block 10. Thecavities 21 extend inwardly from theopen bottom end 12 of theblock 10 and are defined bycylindrical walls 22 which are co-axial withcorresponding protuberances 15. The diameter of thecavities 21 is marginally greater than the diameter of theprotuberances 15. - Referring to Figs. 4 and 5 of the drawings, several
identical blocks 10, 10' are snap-fittingly engaged by pressing same together in the direction indicated byarrows 23 to form two horizontal layers, with aprotuberance 15 onblock 10 engaging within a cavity 21' on block 10' and its associatedridge 18 engaging within the groove 20' of cavity 21'. When thus engaged, theblocks 10, 10' can be rotated relative to one another about axis a-a as shown on Fig. 4, which shows the top block 10' being rotatable with respect to the fixed position of thebottom block 10. - Disengagement of the blocks is achieved by reversing the engagement process described above. An audible "click" is evident with each engagement and disengagement procedure. The disengagement of the blocks can be done by means of a suitable tool (or block) having a lug which can be inserted between the engaged blocks through
slots 25 formed in theend walls 14 thereof in order to lever the blocks apart. - In order to permit laterally
adjacent blocks 10 of an horizontal row of blocks to be rotated or swivelled relative to one another, to thereby form curved structures, e.g. loops, without theend walls 14 thereof interfering with one another, theend walls 14 are convexly curved, in this instance semi-circular, with theprotuberances 15 located respectively at the centre of curvature of thecurved ends 14, adjacent thereto. - As shown in Fig. 4, the
blocks 10 can be interlocked in horizontal layers in which each block in one layer is staggered with respect to the blocks in the adjacent layer, with each block being connected to an horizontally adjacent block through the block(s) immediately vertically adjacent. - Referring to Fig. 6 of the drawings, a
building block 30 according to a second embodiment of the invention, is circular in plan and comprises a smoothcylindrical wall 31 which extends between the closed top end and open bottom end of the block, the top end having a cylindrical protuberance 32 centrally disposed thereon, whilst the bottom end has extending inwardly therefrom acentral cavity 33 defined bycylindrical wall 34. As with the block of the first embodiment, the protuberance or boss 32 has acircumferential rib 35, whilst thewall 34 is provided with aninternal groove 36 in which a rib on a protuberance of another block (whether the same or different) can be lockingly engaged when the blocks are press fitted together. Theblock 30 allows different block construction assemblies to be interconnected, e.g. joining a ring structure to a layered structure. - Referring to Figs. 7 and 9 of the drawings, there are shown two
different connector blocks building blocks Block 40 has an upper body portion which is identical to that ofblock 10, whilst its underside is provided with a plurality ofcavities 41 which are configured so that theblock 40 can be connected to an existing "Lego" block through frictional contact between thecavity walls 42 and the bosses on the top face of the other block. The upperplanar face 43 ofblock 40 has twoprotuberances 44 each havingridges 45 to enable the block to connect toblocks -
Block 50 has a lower body portion identical to that ofblock 10, whilst its upper face is provided with a series ofbosses 52 which are configured so that theblock 50 can connect to the bottom of an existing "Lego" block. The underside ofblock 50 has twocavities 53, each havingcircumferential grooves 54 to enable same to connect to theblocks - Referring to Figs. 8 (a) and (b), there is shown a
block 60 which in many respects is identical to block 30 (Fig. 6), but in addition is provided with a pair of diametricallyopposite protuberances 61 and a pair of diametricallyopposite cavities 62 spaced around thecylindrical wall 63 of theblock 60. This permits theblock 60 to be joined toblocks 10 with the latter having been rotated through 90°. As withblock 10, the top face ofblock 60 has acentral protuberance 65 with aridge 66 extending therearound, and the open bottom end has a centralcylindrical cavity 67 withgroove 68, extending inwardly therefrom. - It would be evident to the skilled addressee that various other configurations of the invention applied to toy building elements are possible. In one example, the building element could have a cross shape which maintains the flexibility of rotational displacement, upon engagement, of additional blocks.
- Additionally, it will be evident that the ridge located on the cylindrical protrusion of the embodiments shown could be substituted with a series of knobs, spherical protrusions or like shapes complementary to the annular groove which define a circumferential ridge, such as to allow rotational movement of the building elements upon engagement.
- It will be evident that the toy blocks of the preset invention provide far greater versatility in constructing building structures than can be achieved with prior art toy building elements, in that they enable the construction of curved structures, are simple to use and can be manufactured at low cost.
Claims (8)
- A toy building element comprising a hollow block (10) having a closed upper end (11), an open lower end (12), and a peripheral side wall (13,14) interconnecting the upper and lower ends, at least one protuberance (15) projecting from said upper end at least one downwardly opening cavity (21) extending inwardly from the open lower end of the block, the or each protuberance having a circumferential ridge (18), and the or each cavity having an internal circumferential groove (20), the blocks being dimensioned and shaped such that, when two like elements are joined together, the or each protuberance (15) is press fitted within a respective said cavity (21) with the ridge (18) engaging within an associated said groove (20) to thereby interlock the elements together, with the elements being rotatable relative to one another about an axis common to both the cavity (21) and the protuberance (15) engaged therein.
- A toy building element according to claim 1 wherein said block is approximately oval shaped and has two said protuberances and two said cavities, wherein the peripheral side wall includes a pair of opposed parallel side wall portions and a pair of opposite end wall portions, wherein said end wall portions are convexly curved, with each said protuberance being disposed at approximately the centre of curvature of a respective said curved end wall portion adjacent thereto.
- A toy building element according to claim 2 wherein each said end wall portion is provided with a recess or slot extending inwardly from its lower end for engagement by a release tool for assisting the separation of the blocks when joined together.
- A toy building element according to claim 1 wherein the block is circular in plan and is provided with a single protuberance centrally located on the upper end of the block, and a single said cavity centrally located and extendingly inwardly of the open bottom end of the block and being coaxially aligned with said single protuberance.
- A toy building element according to claim 4 further comprising a plurality of further cylindrically shaped protuberances projecting laterally outwardly from the circular peripheral wall of the block and spaced circumferentially therearound, each said further protuberance having a circumferential ridge extending around its cylindrical wall.
- A toy building element according to claim 4 or claim 5 further comprising a plurality of circumferentially spaced cylindrical cavity forming walls projecting laterally outwardly from the cylindrical side wall of the block and defining further cylindrical cavities for receiving, with a press-fit, protuberances of another toy building element.
- A toy building element according to claim 6 wherein there is a pair of said further protuberances and a pair of said further cylindrical cavities, the protuberances and cavities of each said pair being diametrically opposite one another.
- A toy building element according to claim 1 wherein each of the protuberances has a cylindrical side wall.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPL228992 | 1992-05-07 | ||
AU2289/92 | 1992-05-07 | ||
PCT/AU1993/000189 WO1993022018A1 (en) | 1992-05-07 | 1993-05-03 | Toy building element |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0639095A1 EP0639095A1 (en) | 1995-02-22 |
EP0639095A4 EP0639095A4 (en) | 1995-09-20 |
EP0639095B1 true EP0639095B1 (en) | 1997-09-03 |
Family
ID=3776148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93911675A Expired - Lifetime EP0639095B1 (en) | 1992-05-07 | 1993-05-03 | Toy building element |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0639095B1 (en) |
AT (1) | ATE157552T1 (en) |
BR (1) | BR9306320A (en) |
DE (1) | DE69313629D1 (en) |
ES (1) | ES2109496T3 (en) |
HU (1) | HUT69423A (en) |
RU (1) | RU94046177A (en) |
WO (1) | WO1993022018A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD759167S1 (en) | 2014-11-17 | 2016-06-14 | Shijun Xiao | Adjustable modeling construction piece |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995030224A1 (en) * | 1994-05-02 | 1995-11-09 | Alfred Reinhard | Case-storage device |
DK112194A (en) * | 1994-09-29 | 1996-03-30 | Lego As | Stacking block system |
US6447360B1 (en) * | 2000-04-26 | 2002-09-10 | Soren Christian Sorensen | Interconnection of toy building elements in a releasable restraining engagement |
FR2889455A1 (en) * | 2005-08-03 | 2007-02-09 | Philip Norman | Construction set, has connector adopting cylindrical shaped body and comprising grooves in which radial projections of another connector is orthogonally assembled, where grooves are preformed according to radius of projections |
ATE479481T1 (en) * | 2007-02-01 | 2010-09-15 | Robosynthesis Ltd | CONSTRUCTION KIT |
PL2629864T3 (en) | 2010-10-21 | 2015-06-30 | Lego As | A toy building set |
KR101911108B1 (en) | 2010-10-21 | 2018-10-23 | 레고 에이/에스 | A toy building set |
TWI430829B (en) * | 2011-05-17 | 2014-03-21 | Tzu Yuan Wu | Blocks of blocks |
CN102890884A (en) * | 2011-07-20 | 2013-01-23 | 吴子源 | Alphabetic training aid and alphabetic training method |
WO2014008666A1 (en) * | 2012-07-13 | 2014-01-16 | 邵佳驹 | Bottle cap with combination function |
GB2531296B (en) * | 2014-10-15 | 2016-09-28 | Bon Bon Buddies Ltd | Toy construction-block container |
RU2598133C1 (en) * | 2015-03-20 | 2016-09-20 | Елена Геннадьевна Баталина | Hollow toy building block |
HUE064512T2 (en) | 2016-07-15 | 2024-03-28 | Trimiti Moebius Design Pty Ltd | Three-dimensional logic puzzle |
PL3496834T3 (en) | 2016-08-12 | 2023-11-06 | Trimiti Moebius Design Pty Ltd | Toy construction element |
EP3679565A4 (en) | 2017-09-05 | 2021-06-02 | Kontu, Inc. | Magnetic building set and method for teaching numeracy and spelling |
USD977024S1 (en) * | 2019-02-06 | 2023-01-31 | Kontu, Inc. | Building set design |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB506204A (en) * | 1938-02-21 | 1939-05-24 | Premo Rubber Company Ltd | Improvements in and relating to blocks, tiles, bricks and like toy building units |
US2649803A (en) * | 1952-06-24 | 1953-08-25 | Internat Molded Plastics Inc | Snap-fastener toy blocks |
DE2446475B2 (en) * | 1974-09-28 | 1978-05-03 | Peter 4006 Erkrath Cioptia | Toy plug-in module |
AU499118B2 (en) * | 1975-03-24 | 1979-04-05 | Ha Folley | Toy building element |
-
1993
- 1993-05-03 ES ES93911675T patent/ES2109496T3/en not_active Expired - Lifetime
- 1993-05-03 AT AT93911675T patent/ATE157552T1/en not_active IP Right Cessation
- 1993-05-03 HU HU9403123A patent/HUT69423A/en unknown
- 1993-05-03 BR BR9306320A patent/BR9306320A/en not_active Application Discontinuation
- 1993-05-03 EP EP93911675A patent/EP0639095B1/en not_active Expired - Lifetime
- 1993-05-03 WO PCT/AU1993/000189 patent/WO1993022018A1/en active IP Right Grant
- 1993-05-03 RU RU94046177/12A patent/RU94046177A/en unknown
- 1993-05-03 DE DE69313629T patent/DE69313629D1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD759167S1 (en) | 2014-11-17 | 2016-06-14 | Shijun Xiao | Adjustable modeling construction piece |
Also Published As
Publication number | Publication date |
---|---|
AU4255293A (en) | 1993-11-29 |
ES2109496T3 (en) | 1998-01-16 |
EP0639095A4 (en) | 1995-09-20 |
HUT69423A (en) | 1995-09-28 |
RU94046177A (en) | 1997-06-20 |
BR9306320A (en) | 1998-06-30 |
HU9403123D0 (en) | 1995-02-28 |
WO1993022018A1 (en) | 1993-11-11 |
ATE157552T1 (en) | 1997-09-15 |
DE69313629D1 (en) | 1997-10-09 |
EP0639095A1 (en) | 1995-02-22 |
AU656275B2 (en) | 1995-01-27 |
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