US2264020A - Window construction - Google Patents
Window construction Download PDFInfo
- Publication number
- US2264020A US2264020A US354636A US35463640A US2264020A US 2264020 A US2264020 A US 2264020A US 354636 A US354636 A US 354636A US 35463640 A US35463640 A US 35463640A US 2264020 A US2264020 A US 2264020A
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- US
- United States
- Prior art keywords
- sash
- rail
- rails
- window
- construction
- Prior art date
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- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/44—Vertically-sliding wings
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/44—Vertically-sliding wings
- E06B2003/4438—Vertically-sliding wings characterised by the material used for the frames
- E06B2003/4446—Wood
Definitions
- the present invention relates in general to a window construction and is in particular concerned withV improved means whereby a window sash may be slidably mounted in a window frame of standard construction and the usual pulleys', sash ⁇ cords and counterbalancing weights eliminated'.
- a further object is to provide an improved window construction in which the sash may be quick'- ly and easily removed, ⁇ when desired, to permit cleaning the outside of the window ⁇ glass, repainting et cetera, but in which the. sashes are normally retained against removal'.
- Another object of the invention is to provide improved slide rails for engagingthe Vopposite sides of the window sash, wherein springs are utilized' for urging a sash. supporting rail against the sash, these springs being so. arranged and constructed as to permit their being wholly contained within the. rail,. when they are/fully compressed..
- Another object of the invention is to'provide in spring urged slide rails for a window sash,K im- 'proved'jmeans for anchoring the' springs'V tov the rail-,1 which will not only. enable Variation of the number.' of springs at any desired portion of; the rail, but also permit movement of the springs along the rail to vary their relative positions; ⁇ whereby the pressure exerted against theY sash ⁇ at dierent portions ofthe rail. maybe varied to meet different operating and installation conditions.
- a still further object of the invention is to provide'in Windows of the hereindescribed type, an
- Figure 1 is a iront elevational view of avvindow embodying the present. invention with parts roken away andpartsj shown in section;
- Figure 2- is a. sectional view with certain ci the parts broken away to show details of construe tion, taken Vsub,sta-ntially online II-II of Fig.- ure 1; v
- FigureS is an enlargedv fragmentary ⁇ sectional view of the same, taken substantiallyon line III-III of Figure 1'; and' l Figure 4 is aportionof a sectional View similar to Figure 3'onenlarged scale illustratingl the relative positions of the sash and sash slide rail to enable removal ofthe sashfrom the frame.
- Such stops are standard constructionin'window frames and cooperate to form'guideways for-,the window casing in the ordinary installations.
- Each'rai-l is formed'from an initially' nat-strip of rust-proof metal which ⁇ isV de"- formed in any suitable manner to provide on its inner face a longitudinally extending groove l1 which inY this instance is shown as being ofv right angled construction in cross-section.
- the stripv is looped to form laterally disposed ribs or tongues I8 and t9, and thence carried rearwardly of the bottom ofthe groovev to form the opposite side wallsZi) and 2
- the slide rails are secured in positions extending longitudinally of the uprights by means of suitable screws or nails 25, the heads of which are disposed in countersunk portions 26 of the bottom of groove
- These countersunk portions are provided preferably adjacent the upper and lower ends of the rail and at an intermediate point between the rail ends, the intermediate countersunk portion and the countersunk portion at the uppermost end of the rail being spaced apart a slightly greater distance than the height of the sashes to be accommodated in the window.
- the rail thus is slidably mounted on the nails or screws for movement toward and away from the upright to which it is secured, and by adjusting the levels of the screw heads, the outward movement of the rails may be regulated.
- the rails are normally urged outwardly by means of conical-shaped coiled springs 21 which are anchored to the ,rail by disposing the end thereof having the coil of greatest diameter within the T-shapedslot 2,4.
- the largest coil of the spring abuts against the inner surface of the material forming the bottom of groove I1 and is of such diameter that it closely and tightly engages the inner surface of the wall portions and 2
- the additional springs vare anchored in the manner previously described and may be moved along the rails to the desired portion thereof, and the springs disposed in any desired spaced relation.
- of the channel is sufficiently great to retain the spring in position and prevent its moving downwardly along the rail with which it is associated.
- the springs are normally, when a sash is mounted in position, under compression to retain 'the slide rails in snug engagement with the side faces of the sash.
- the sash is of the usual construction comprising side rails 28 and 29, each of these side rails being formed with lateral grooves 30 and 3
- the springs 21 act to urge the slide rail into snug engagement with the sash and thus form a leak-proof arrangement which will serve to prevent the infiltration of wind, rain, dustand the like: and also serve to preventrattling of the window regardless of the position to which it is raised.
- a weather strip 33 of angular crosssection may be secured to the inner face of the associated upright
- One leg 33' of this weather strip is disposed so as to project between the adjacently disposed edges 2U and 2
- standard weather strips 34 of the upstanding type may be provided for the top of the upper sash and the bottom of the lower sash, the slide rails and sashes being suitably notched to receive the strips therein when the sashes are in fully closed position.
- slide rail urging springs may be of any desired number and adjusted longitudinally of the slide rails to apply more or less pressure in different parts of the rails, for example, adjacent the top portions of the rails for holding the sashes in raised position.
- the sashes in closed position will overlie one of the screws or nails.
- the only position in which this is not so is when the sashes are moved so as to lie between the intermediate and uppermost'screws or nails 25 of the slide rails, these particular screws being spaced apart a slightly greater distance than the height of the sashes.
- the weather strip 34 also acts to retain the sashes against removal, even though the slide rails are moved sufficiently to give the proper removal clearance for the sash.
- a hollow slide rail for sliding engagement with an edge of a sash, said slide rail compris- -ing a strip bent to define an elongate hollow member having a front face to engage an edge of a sash and to define forwardly extending and spaced opposed shoulders merging with rearwardly extending portions of the strip which define spaced opposed 'side Walls terminating in spaced opposed lips and with said spaced lips dening an elongated slot therebetween, and spring means entered in said hollow rail and engaging said side walls to retain said spring means, in assembled relation to said rail.
- a hollow slide rail for sliding engagement with an edge of a sash, said slide rail comprising a strip bent to define an elongate hollow member having a front face to engage an edge of the sash, and to define rearwardly extending and spaced opposed side walls having means defining an elongated slot between said walls, and a spring entered in said hollow rail and extensible through the slot, said spring having means irictionally engageable with said walls to retain a portion of said spring within said hollow member and slidable in said rail.
- a hollow slide rail for engagement with an edge of a sash, said slide rail comprising an elongate hollow member having a front portion formed to dene a pair of spaced and forwardly extending shoulders with a groove therebetween to guidedly receive an edge portion of a window sash, said rail being also formed to dene a pair of spaced opposed and rearwardly extending channel elements terminating in a pair of oppositely directed and opposed lips spaced to define a slot therebetween, and a coiled spring havingra portion of greater diameter than the width of said slot entered in said rail and between said channel elements,
- a window construction comprising a window frame, a pair of elongate hollow sash rails mountedrsidewby side on a side of said frame, each of said sash rails comprising a member having a front portion formed to define a pair of spaced and forwardly extending shoulders with a groove therebetween to guidedly receive an edge portion of a window sash, and also being formed to dene a pair of spaced opposed and rearwardly extending channel elements terminating in a pair of oppositely directed and opposed lips, and an L-shaped member having one leg disposed between said sash rails and having its other leg disposed rearwardly of a lip of one of said rails.
- a window construction comprising a window frame, a pair of elongate hollow sash rails mounted side by side on a side of said frame, each of said sash rails comprising a member having a iront portion formed to define a pair of spaced and forwardly extending shoulders with a groove therebetween to guidedly receive an edge portion of a window sash, and also being formed to covere a pair of spaced opposed and rearwardly extending channel elements terminating in a pair of o-ppositely directed and opposed lips, and an L-shaped member having one leg disposed between said sash rails and having its other leg disposed rearwardly of a lip of one of said rails, and spring means inserted in said one of said rails and seated on the other leg on said L- shaped member.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Door And Window Frames Mounted To Openings (AREA)
Description
Nov. 25, 1941. s. J. DAUTRICK ET Al.
WINDOW CONSTRUCTION FiledAug. 29, 1940 Patented Nov. 25, i941 einen WINDOW CONSTRUCTION Stewart J. Dautrick, Detroit,. and Gwen L. Dautrick, Ferndale, Mich., assignors to Lewis G.
Erb and Arthur E. Blow,
Mich.
5 Claims,
The present invention relates in general to a window construction and is in particular concerned withV improved means whereby a window sash may be slidably mounted in a window frame of standard construction and the usual pulleys', sash` cords and counterbalancing weights eliminated'.
It is a primary object of the hereindescribed invention to provide a window construction of such type in which the sash guiding and supporting elements are mounted in a standard window frame Without changes therein, thus enabling the application of the present invention to existing as Well as newly installed windows.
A further object is to provide an improved window construction in which the sash may be quick'- ly and easily removed, `when desired, to permit cleaning the outside of the window` glass, repainting et cetera, but in which the. sashes are normally retained against removal'.
Another object of the invention is to provide improved slide rails for engagingthe Vopposite sides of the window sash, wherein springs are utilized' for urging a sash. supporting rail against the sash, these springs being so. arranged and constructed as to permit their being wholly contained within the. rail,. when they are/fully compressed..
Another object of the invention is to'provide in spring urged slide rails for a window sash,K im- 'proved'jmeans for anchoring the' springs'V tov the rail-,1 which will not only. enable Variation of the number.' of springs at any desired portion of; the rail, but also permit movement of the springs along the rail to vary their relative positions;` whereby the pressure exerted against theY sash` at dierent portions ofthe rail. maybe varied to meet different operating and installation conditions.
A still further object of the invention `is to provide'in Windows of the hereindescribed type, an
@ther objects and. features of the invention will` more fully appear from the following detailed description taken in connection with the accompanying drawing which illustrates a single embodiment thereof, and inwhich:
"Figure 1 is a iront elevational view of avvindow embodying the present. invention with parts roken away andpartsj shown in section;
Figure 2- is a. sectional view with certain ci the parts broken away to show details of construe tion, taken Vsub,sta-ntially online II-II of Fig.- ure 1; v
FigureS is an enlargedv fragmentary` sectional view of the same, taken substantiallyon line III-III of Figure 1'; and' l Figure 4 is aportionof a sectional View similar to Figure 3'onenlarged scale illustratingl the relative positions of the sash and sash slide rail to enable removal ofthe sashfrom the frame.
As shown on the drawing:
For purposes of illustration, We have shown. in the drawingone embodiment. ofthe present invention, wherein the invention is applied to a window frame. of standard construction having vthe usual sill andupper rail Il which areV interconnected by the usual side framesor uprights IES-t2. Along the innermost. edge of each up.- right, the upright has secured' thereto'a molding stop I3, and along the opposite edgeof the upright `there is provided' the usual blind stop I4.
Such stops are standard constructionin'window frames and cooperate to form'guideways for-,the window casing in the ordinary installations.Y
Int-heY present invention, advantage is taken of this construction and these guideways are utilized for the sash slide rails l5 and l'which are so constructed? and so mounted therein as will hereinafter be explained. The guide rails are of duplicate construction, being cut to the proper' length to ftlbetween the sillV lll and the headv rail H; 'For a double sash window, two' rails are disposed between thev mold',- ing stop and the blind' stop,'as shown in Figure 3. these* rails'being disposed; with their opposite edges adjacent. Each'rai-l is formed'from an initially' nat-strip of rust-proof metal which` isV de"- formed in any suitable manner to provide on its inner face a longitudinally extending groove l1 which inY this instance is shown as being ofv right angled construction in cross-section. At each edge of the groove, the stripv is looped to form laterally disposed ribs or tongues I8 and t9, and thence carried rearwardly of the bottom ofthe groovev to form the opposite side wallsZi) and 2| The slide rails are secured in positions extending longitudinally of the uprights by means of suitable screws or nails 25, the heads of which are disposed in countersunk portions 26 of the bottom of groove These countersunk portions are provided preferably adjacent the upper and lower ends of the rail and at an intermediate point between the rail ends, the intermediate countersunk portion and the countersunk portion at the uppermost end of the rail being spaced apart a slightly greater distance than the height of the sashes to be accommodated in the window. The rail thus is slidably mounted on the nails or screws for movement toward and away from the upright to which it is secured, and by adjusting the levels of the screw heads, the outward movement of the rails may be regulated.
The rails are normally urged outwardly by means of conical-shaped coiled springs 21 which are anchored to the ,rail by disposing the end thereof having the coil of greatest diameter within the T-shapedslot 2,4. The largest coil of the spring abuts against the inner surface of the material forming the bottom of groove I1 and is of such diameter that it closely and tightly engages the inner surface of the wall portions and 2| of the rail to normally retain the spring in a desired position on the rail. By constructing the coil springs of conical shape, they may be completely compressed within themselves, and 'when so compressed completely contained within the T-shaped groove of the slide rail so as not to interfere or limit the movement of the rail toward the upright to which it is secured.
Ordinarily, three to ve springs will be suicient for each rail depending upon its length. In
-mounting each rail, it has been found desirable vin concentric relation around each of the countersunk portions 2B so that the rail securing screw will extend therethrough.
Where itis found necessary to secure additional `spring pressure, or where it is desired tohave greater spring pressure at certain portions of the vrail than at other portions, the additional springs vare anchored in the manner previously described and may be moved along the rails to the desired portion thereof, and the springs disposed in any desired spaced relation. The friction between the large coil of the spring and the walls 20 and 2| of the channel is sufficiently great to retain the spring in position and prevent its moving downwardly along the rail with which it is associated.
` The springs are normally, when a sash is mounted in position, under compression to retain 'the slide rails in snug engagement with the side faces of the sash. The sash, is of the usual construction comprising side rails 28 and 29, each of these side rails being formed with lateral grooves 30 and 3| for receiving the side ribs or tongues I8 and I9 of the slide rail, the portion of the side railof the sash lying between the grooves 30 and 3| dening a projecting portion 32 which will t into the sash receiving groove |1 of the slide rail.
When the sash is in position, the springs 21 act to urge the slide rail into snug engagement with the sash and thus form a leak-proof arrangement which will serve to prevent the infiltration of wind, rain, dustand the like: and also serve to preventrattling of the window regardless of the position to which it is raised.
In order to prevent the entrance of dust and the like between a slide rail and its associated upright, a weather strip 33 of angular crosssection may be secured to the inner face of the associated upright |2 either by separate nails or screws, or by the nails or screws utilized for mounting the slide rails in position. One leg 33' of this weather strip is disposed so as to project between the adjacently disposed edges 2U and 2| of the rails on each side of the window frame for supporting and guiding the upper and lower sashes thereof.
For further weather-proofing the window structure, standard weather strips 34 of the upstanding type may be provided for the top of the upper sash and the bottom of the lower sash, the slide rails and sashes being suitably notched to receive the strips therein when the sashes are in fully closed position.
It will be noted that the use of sash weights and cords have been entirely eliminated with our improved construction as described, and the sash may be easily moved upwardly and downwardly to any desired position. Moreover, the slide rail urging springs may be of any desired number and adjusted longitudinally of the slide rails to apply more or less pressure in different parts of the rails, for example, adjacent the top portions of the rails for holding the sashes in raised position.
With the nails or screws 25 placed in the manner previously described, the sashes in closed position will overlie one of the screws or nails. The only position in which this is not so is when the sashes are moved so as to lie between the intermediate and uppermost'screws or nails 25 of the slide rails, these particular screws being spaced apart a slightly greater distance than the height of the sashes.
In order to remove'the sash from the frame, it is only necessary to force the sash and one of the movable slide rails in one direction, while at the same time the other movable slide rail is pushed back lin the opposite direction. This will enable removal of the sash, providing the sash is at a position between the intermediate and uppermost securing screws of the slide rails. At other position of the sash, the heads of the securing screws or nails holding the slide rails will prevent sucient movement of the slide rails to give the proper clearance for removal of the sash. Y
In addition, it will be apparent that when the sashes are in closed position, the weather strip 34 also acts to retain the sashes against removal, even though the slide rails are moved sufficiently to give the proper removal clearance for the sash.
It is believed obvious that a window construction formed in this manner will be easily installable in a standard window frame at considerable saving at labor and that the various advantages referred to will be effected.
While we have illustrated and described the preferred form of construction, we do not wish to limit ourselves to the precise details of structure shown, but desire to avail ourselves of such variations and modifications as may come within the scope and spirit of the appended claims.
We claim as our invention:
1. A hollow slide rail for sliding engagement with an edge of a sash, said slide rail compris- -ing a strip bent to define an elongate hollow member having a front face to engage an edge of a sash and to define forwardly extending and spaced opposed shoulders merging with rearwardly extending portions of the strip which define spaced opposed 'side Walls terminating in spaced opposed lips and with said spaced lips dening an elongated slot therebetween, and spring means entered in said hollow rail and engaging said side walls to retain said spring means, in assembled relation to said rail.
2. A hollow slide rail for sliding engagement with an edge of a sash, said slide rail comprising a strip bent to define an elongate hollow member having a front face to engage an edge of the sash, and to define rearwardly extending and spaced opposed side walls having means defining an elongated slot between said walls, and a spring entered in said hollow rail and extensible through the slot, said spring having means irictionally engageable with said walls to retain a portion of said spring within said hollow member and slidable in said rail.
3. A hollow slide rail for engagement with an edge of a sash, said slide rail comprising an elongate hollow member having a front portion formed to dene a pair of spaced and forwardly extending shoulders with a groove therebetween to guidedly receive an edge portion of a window sash, said rail being also formed to dene a pair of spaced opposed and rearwardly extending channel elements terminating in a pair of oppositely directed and opposed lips spaced to define a slot therebetween, and a coiled spring havingra portion of greater diameter than the width of said slot entered in said rail and between said channel elements,
4. A window construction comprising a window frame, a pair of elongate hollow sash rails mountedrsidewby side on a side of said frame, each of said sash rails comprising a member having a front portion formed to define a pair of spaced and forwardly extending shoulders with a groove therebetween to guidedly receive an edge portion of a window sash, and also being formed to dene a pair of spaced opposed and rearwardly extending channel elements terminating in a pair of oppositely directed and opposed lips, and an L-shaped member having one leg disposed between said sash rails and having its other leg disposed rearwardly of a lip of one of said rails.
5. A window construction comprising a window frame, a pair of elongate hollow sash rails mounted side by side on a side of said frame, each of said sash rails comprising a member having a iront portion formed to define a pair of spaced and forwardly extending shoulders with a groove therebetween to guidedly receive an edge portion of a window sash, and also being formed to denne a pair of spaced opposed and rearwardly extending channel elements terminating in a pair of o-ppositely directed and opposed lips, and an L-shaped member having one leg disposed between said sash rails and having its other leg disposed rearwardly of a lip of one of said rails, and spring means inserted in said one of said rails and seated on the other leg on said L- shaped member.
STEWART J. DAUTRICK. OWEN L. DAUTRICK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US354636A US2264020A (en) | 1940-08-29 | 1940-08-29 | Window construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US354636A US2264020A (en) | 1940-08-29 | 1940-08-29 | Window construction |
Publications (1)
Publication Number | Publication Date |
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US2264020A true US2264020A (en) | 1941-11-25 |
Family
ID=23394262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US354636A Expired - Lifetime US2264020A (en) | 1940-08-29 | 1940-08-29 | Window construction |
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US (1) | US2264020A (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2560752A (en) * | 1946-04-03 | 1951-07-17 | William R Vass | Adjustable window frame |
US2563058A (en) * | 1947-10-22 | 1951-08-07 | Neustadt Harrison | Metal window construction |
US2629142A (en) * | 1952-02-07 | 1953-02-24 | Rifkin Michael | Window construction |
US2631336A (en) * | 1950-08-04 | 1953-03-17 | Lorant I Weissman | Window assembly and sash holder |
US2631337A (en) * | 1946-09-28 | 1953-03-17 | Wilbur B Burke | Window construction |
US2658242A (en) * | 1950-09-22 | 1953-11-10 | Sr Fred C Osten | Window construction |
US2660764A (en) * | 1952-04-17 | 1953-12-01 | Robert E Lee | Window frame |
US2677156A (en) * | 1951-06-29 | 1954-05-04 | Davis F Holmes | Removable storm window sash |
US2761182A (en) * | 1954-04-28 | 1956-09-04 | Gordon W Love | Removable window sash and guide rail therefor |
US2767441A (en) * | 1952-05-22 | 1956-10-23 | Modern Aircraft Corp Detroit | Window construction |
US2777175A (en) * | 1953-10-21 | 1957-01-15 | Irwin R Lance | Window mounting |
US2839794A (en) * | 1955-07-29 | 1958-06-24 | Everett D Bishop | Window construction |
US2864131A (en) * | 1954-11-16 | 1958-12-16 | Harry K Piper | Window construction |
US2870494A (en) * | 1954-04-28 | 1959-01-27 | Gordon W Love | Removable window sash and a springchannel combination therefor |
-
1940
- 1940-08-29 US US354636A patent/US2264020A/en not_active Expired - Lifetime
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2560752A (en) * | 1946-04-03 | 1951-07-17 | William R Vass | Adjustable window frame |
US2631337A (en) * | 1946-09-28 | 1953-03-17 | Wilbur B Burke | Window construction |
US2563058A (en) * | 1947-10-22 | 1951-08-07 | Neustadt Harrison | Metal window construction |
US2631336A (en) * | 1950-08-04 | 1953-03-17 | Lorant I Weissman | Window assembly and sash holder |
US2658242A (en) * | 1950-09-22 | 1953-11-10 | Sr Fred C Osten | Window construction |
US2677156A (en) * | 1951-06-29 | 1954-05-04 | Davis F Holmes | Removable storm window sash |
US2629142A (en) * | 1952-02-07 | 1953-02-24 | Rifkin Michael | Window construction |
US2660764A (en) * | 1952-04-17 | 1953-12-01 | Robert E Lee | Window frame |
US2767441A (en) * | 1952-05-22 | 1956-10-23 | Modern Aircraft Corp Detroit | Window construction |
US2777175A (en) * | 1953-10-21 | 1957-01-15 | Irwin R Lance | Window mounting |
US2761182A (en) * | 1954-04-28 | 1956-09-04 | Gordon W Love | Removable window sash and guide rail therefor |
US2870494A (en) * | 1954-04-28 | 1959-01-27 | Gordon W Love | Removable window sash and a springchannel combination therefor |
US2864131A (en) * | 1954-11-16 | 1958-12-16 | Harry K Piper | Window construction |
US2839794A (en) * | 1955-07-29 | 1958-06-24 | Everett D Bishop | Window construction |
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