FR2250192B1 - - Google Patents
Info
- Publication number
- FR2250192B1 FR2250192B1 FR7436268A FR7436268A FR2250192B1 FR 2250192 B1 FR2250192 B1 FR 2250192B1 FR 7436268 A FR7436268 A FR 7436268A FR 7436268 A FR7436268 A FR 7436268A FR 2250192 B1 FR2250192 B1 FR 2250192B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
- H01H13/785—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
- H01H13/80—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the manner of cooperation of the contacts, e.g. with both contacts movable or with bounceless contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/004—Wiping action
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/016—Roughened contact surface, e.g. anti-adhering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/022—Material
- H01H2201/032—Conductive polymer; Rubber
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2205/00—Movable contacts
- H01H2205/014—Movable contacts fixed by mechanical deformation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2207/00—Connections
- H01H2207/002—Conductive rubber; Zebra
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2207/00—Connections
- H01H2207/01—Connections from bottom to top layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
- H01H2215/008—Part of substrate or membrane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/028—Tactile feedback alterable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/01—Off centre actuation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/002—Layer thickness
- H01H2227/012—Conductive rubber
- H01H2227/014—Conductive particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/024—Packing between substrate and membrane
- H01H2229/032—Screw
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/044—Injection moulding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/058—Curing or vulcanising of rubbers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49105—Switch making
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US411345A US3879586A (en) | 1973-10-31 | 1973-10-31 | Tactile keyboard switch assembly with metallic or elastomeric type conductive contacts on diaphragm support |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2250192A1 FR2250192A1 (fr) | 1975-05-30 |
FR2250192B1 true FR2250192B1 (fr) | 1978-07-13 |
Family
ID=23628546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7436268A Expired FR2250192B1 (fr) | 1973-10-31 | 1974-10-30 |
Country Status (6)
Country | Link |
---|---|
US (2) | US3879586A (fr) |
JP (1) | JPS5078872A (fr) |
CA (1) | CA1047938A (fr) |
FR (1) | FR2250192B1 (fr) |
GB (1) | GB1468384A (fr) |
IT (1) | IT1025169B (fr) |
Families Citing this family (84)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5021676U (fr) * | 1973-06-21 | 1975-03-11 | ||
DD118195A5 (fr) * | 1974-05-22 | 1976-02-12 | ||
DE2540011C3 (de) * | 1974-09-09 | 1979-08-23 | Sharp K.K., Osaka (Japan) | Elektronischer Rechner |
US4018999A (en) * | 1974-09-12 | 1977-04-19 | Mohawk Data Sciences Corporation | Keyboard switch assembly having adhesive position retainer element |
US3952174A (en) * | 1974-11-29 | 1976-04-20 | Texas Instruments Incorporated | Pushbutton keyboard system |
US4005293A (en) * | 1974-11-29 | 1977-01-25 | Texas Instruments Incorporated | Pushbutton keyboard switch assembly having individual concave-convex contacts integrally attached to conductor strips |
US3959610A (en) * | 1974-12-13 | 1976-05-25 | Motorola, Inc. | Hermetically sealed keyboard type assembly with elastomeric electrical connecting link between switch and component modules |
US4114000A (en) * | 1975-03-03 | 1978-09-12 | Motorola, Inc. | Multi-position switch with single sliding actuator cam, reciprocable cam follower and compressive conductive elastomer |
US4034176A (en) * | 1975-06-11 | 1977-07-05 | Magic Dot, Inc. | Membrane switch apparatus |
US4065649A (en) * | 1975-06-30 | 1977-12-27 | Lake Center Industries | Pressure sensitive matrix switch having apertured spacer with flexible double sided adhesive intermediate and channels optionally interposed between apertures |
JPS565767Y2 (fr) * | 1976-07-26 | 1981-02-07 | ||
US4081631A (en) * | 1976-12-08 | 1978-03-28 | Motorola, Inc. | Dual purpose, weather resistant data terminal keyboard assembly including audio porting |
US4096364A (en) * | 1977-02-22 | 1978-06-20 | Chomerics, Inc. | Keyboard switch assembly having flexible contact layer with snap initiator dome |
US4117279A (en) * | 1977-05-20 | 1978-09-26 | Motorola, Inc. | Modular pushbutton keyset assembly |
US4127752A (en) * | 1977-10-13 | 1978-11-28 | Sheldahl, Inc. | Tactile touch switch panel |
US4261042A (en) * | 1978-03-28 | 1981-04-07 | Canon Kabushiki Kaisha | Key signal entering device for thin electronic apparatus |
US4172216A (en) * | 1978-05-19 | 1979-10-23 | Sprague Electric Company | Pressure sensitive switch |
US4158115A (en) * | 1978-06-26 | 1979-06-12 | W. H. Brady Co. | Internally connecting flexible switch |
US4258096A (en) * | 1978-11-09 | 1981-03-24 | Sheldahl, Inc. | Composite top membrane for flat panel switch arrays |
DE2854459A1 (de) * | 1978-12-16 | 1980-08-28 | Fraunhofer Ges Forschung | Sicherheitseinrichtung fuer anlagen mit in den raum bewegten teilen |
JPS55143722A (en) * | 1979-04-26 | 1980-11-10 | Nissan Motor | Switching device |
JPS56128523A (en) * | 1980-03-11 | 1981-10-08 | Matsushita Electric Ind Co Ltd | Method of producing keyboard switch |
DE3032557C2 (de) * | 1980-08-29 | 1985-02-07 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Gummielastisches Tastkontaktelement |
US4376239A (en) * | 1980-10-03 | 1983-03-08 | Allen-Bradley Company | Industrial membrane switch |
DE3144084C2 (de) * | 1981-11-06 | 1988-08-18 | Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt | Verfahren zur Herstellung einer für ein Drucktastenfeld geeigneten Kontaktmatte |
US4408103A (en) * | 1982-01-06 | 1983-10-04 | Smith Engineering | Joystick operated multiple position switch |
JPS58140229A (ja) * | 1982-02-15 | 1983-08-19 | Fuji Gomme Kk | キ−トツプ一体型接点ゴムの製造方法 |
US4515999A (en) * | 1983-01-24 | 1985-05-07 | Rogers Corporation | Full travel keyboard |
JPS60127620A (ja) * | 1983-12-12 | 1985-07-08 | 興国ゴム工業株式会社 | キ−ボ−ド用スプリングユニツト |
US4524249A (en) * | 1984-06-01 | 1985-06-18 | Texas Instruments Incorporated | Keyboard switch assembly |
US4650934A (en) * | 1984-11-08 | 1987-03-17 | Burke Patrick G | Hand movement controller |
US4581507A (en) * | 1984-12-26 | 1986-04-08 | Motorola, Inc. | Impact switch |
FR2576449A1 (fr) * | 1985-01-18 | 1986-07-25 | Hutchinson | Clavier a elements de commande integres avec predetermination de la loi de mise sous pression de leur element electroconducteur, et procede de fabrication de ce clavier |
US4688027A (en) * | 1985-11-04 | 1987-08-18 | Widener M W | Isolated molded sensor strip |
JPS62213015A (ja) * | 1986-03-13 | 1987-09-18 | オリンパス光学工業株式会社 | 防水型電気接点 |
US4975896A (en) * | 1986-08-08 | 1990-12-04 | Agosto Iii Nicholas A D | Communications network and method |
US4817127A (en) * | 1986-08-08 | 1989-03-28 | Dictaphone Corporation | Modular dictation/transcription system |
US4800582A (en) * | 1986-08-08 | 1989-01-24 | Dictaphone Corporation | Method and apparatus for creating and storing telephone directory listings |
US4794474A (en) * | 1986-08-08 | 1988-12-27 | Dictaphone Corporation | Cue signals and cue data block for use with recorded messages |
US4860339A (en) * | 1986-08-08 | 1989-08-22 | Dictaphone Corporation | Programmable telephone/dictation terminal and method of operating same |
EP0323057A3 (fr) * | 1987-12-24 | 1990-07-25 | Trw Inc. | Commutateur électrique |
US5194205A (en) * | 1989-03-14 | 1993-03-16 | Ercon, Inc. | Process for forming a force sensor |
GB9004532D0 (en) * | 1990-02-28 | 1990-04-25 | Lucas Ind Plc | Switch assembly |
DE9014472U1 (de) * | 1990-10-16 | 1991-01-24 | Fritz Hartmann Gerätebau GmbH & Co KG, 8523 Baiersdorf | Klein-Tastatur für Elektrogeräte |
US5149923A (en) * | 1991-03-15 | 1992-09-22 | Lucas Duralith Corporation | Backlit tactile keyboard with improved tactile and electrical characteristics |
US5493082A (en) * | 1994-08-09 | 1996-02-20 | Hughes Aircraft Company | Elastomeric switch for electronic devices |
US5721666A (en) * | 1995-02-28 | 1998-02-24 | Master Molded Products Corporation | Device panel with in-molded applique |
US5796059A (en) * | 1996-03-19 | 1998-08-18 | Boon; Stephen W. | Pressure-sensitive switch apparatus |
JP3810505B2 (ja) * | 1997-02-28 | 2006-08-16 | 独立行政法人科学技術振興機構 | 導電性プラスチック、それによる導電回路及びその導電回路の形成方法 |
US5990799A (en) * | 1998-10-06 | 1999-11-23 | Boon; Stephen W. | Chair occupancy monitoring device |
DE19902836A1 (de) * | 1999-01-20 | 2000-07-27 | Siemens Ag | Verfahren zur Verbindung eines Kontaktkörpers und eines flexiblen Leiters sowie Preßform zur Durchführung des Verfahrens |
FR2813996B1 (fr) * | 2000-09-13 | 2003-12-12 | Sc2N Sa | Dispositif de contactage electrique |
US8772658B2 (en) * | 2011-11-03 | 2014-07-08 | Ching-Hsiung Chu | Electrically conductive structure of micro switch |
ITVR20110215A1 (it) * | 2011-12-02 | 2013-06-03 | Plastar Pak S R L | Cerotto a tenuta di fluido per la cottura sotto vuoto |
US9075566B2 (en) | 2012-03-02 | 2015-07-07 | Microsoft Technoogy Licensing, LLC | Flexible hinge spine |
US8935774B2 (en) | 2012-03-02 | 2015-01-13 | Microsoft Corporation | Accessory device authentication |
US9064654B2 (en) | 2012-03-02 | 2015-06-23 | Microsoft Technology Licensing, Llc | Method of manufacturing an input device |
US9158383B2 (en) | 2012-03-02 | 2015-10-13 | Microsoft Technology Licensing, Llc | Force concentrator |
US9426905B2 (en) | 2012-03-02 | 2016-08-23 | Microsoft Technology Licensing, Llc | Connection device for computing devices |
US8873227B2 (en) | 2012-03-02 | 2014-10-28 | Microsoft Corporation | Flexible hinge support layer |
US9360893B2 (en) | 2012-03-02 | 2016-06-07 | Microsoft Technology Licensing, Llc | Input device writing surface |
US9870066B2 (en) | 2012-03-02 | 2018-01-16 | Microsoft Technology Licensing, Llc | Method of manufacturing an input device |
USRE48963E1 (en) | 2012-03-02 | 2022-03-08 | Microsoft Technology Licensing, Llc | Connection device for computing devices |
US20130300590A1 (en) | 2012-05-14 | 2013-11-14 | Paul Henry Dietz | Audio Feedback |
CN104272221B (zh) * | 2012-05-15 | 2018-03-02 | 微软技术许可有限责任公司 | 输入设备制造 |
US10031556B2 (en) | 2012-06-08 | 2018-07-24 | Microsoft Technology Licensing, Llc | User experience adaptation |
US9019615B2 (en) | 2012-06-12 | 2015-04-28 | Microsoft Technology Licensing, Llc | Wide field-of-view virtual image projector |
US9073123B2 (en) | 2012-06-13 | 2015-07-07 | Microsoft Technology Licensing, Llc | Housing vents |
US8964379B2 (en) | 2012-08-20 | 2015-02-24 | Microsoft Corporation | Switchable magnetic lock |
US8654030B1 (en) | 2012-10-16 | 2014-02-18 | Microsoft Corporation | Antenna placement |
EP2908970B1 (fr) | 2012-10-17 | 2018-01-03 | Microsoft Technology Licensing, LLC | Protubérances de moulage par injection d'alliage métallique |
WO2014059618A1 (fr) | 2012-10-17 | 2014-04-24 | Microsoft Corporation | Formation de graphique par ablation de matériau |
WO2014059625A1 (fr) | 2012-10-17 | 2014-04-24 | Microsoft Corporation | Écoulements de moulage par injection d'alliage métallique |
US9950202B2 (en) | 2013-02-01 | 2018-04-24 | 3M Innovative Properties Company | Respirator negative pressure fit check devices and methods |
US11052268B2 (en) | 2013-02-01 | 2021-07-06 | 3M Innovative Properties Company | Respirator negative pressure fit check devices and methods |
US9304549B2 (en) | 2013-03-28 | 2016-04-05 | Microsoft Technology Licensing, Llc | Hinge mechanism for rotatable component attachment |
US9424048B2 (en) | 2014-09-15 | 2016-08-23 | Microsoft Technology Licensing, Llc | Inductive peripheral retention device |
DE102014019126B4 (de) * | 2014-12-19 | 2018-10-31 | Audi Ag | Bedienelement eines Kraftfahrzeugs |
USD842982S1 (en) | 2016-03-28 | 2019-03-12 | 3M Innovative Properties Company | Hardhat suspension adapter for half facepiece respirators |
EP3436163B1 (fr) | 2016-03-28 | 2020-08-19 | 3M Innovative Properties Company | Dispositifs d'étanchéité de respirateur à chambres multiples et procédés |
USD827810S1 (en) | 2016-03-28 | 2018-09-04 | 3M Innovative Properties Company | Hardhat suspension adapter for half facepiece respirators |
CN108883322B (zh) | 2016-03-28 | 2021-09-14 | 3M创新有限公司 | 呼吸器密合度检查密封装置和方法 |
WO2017172510A1 (fr) | 2016-03-28 | 2017-10-05 | 3M Innovative Properties Company | Élément de fixation de suspension de casque |
USD816209S1 (en) | 2016-03-28 | 2018-04-24 | 3M Innovative Properties Company | Respirator inlet port connection seal |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1099071A (en) * | 1913-07-23 | 1914-06-02 | Davis Electric Company | Rheostat. |
US2040919A (en) * | 1932-04-07 | 1936-05-19 | Engineering & Res Corp | Circuit closer |
US2509652A (en) * | 1947-07-15 | 1950-05-30 | Carborundum Co | Method of manufacturing abrasive articles |
US2697766A (en) * | 1952-11-06 | 1954-12-21 | Bobrich Products Corp | Thermally operated diaphragm switch device for electric circuits |
US2886854A (en) * | 1955-01-07 | 1959-05-19 | Albert W Franklin | Resistor grid and method of making |
US3233059A (en) * | 1962-08-22 | 1966-02-01 | Robertshaw Controls Co | Vacuum operated electrical switch or the like |
US3663779A (en) * | 1969-05-12 | 1972-05-16 | Datanetics Corp | Sealed electrical package |
DE1939642B2 (de) * | 1969-08-04 | 1975-01-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Auf linearem Druck basierender Schalter für prellfreies Schalten |
US3600528A (en) * | 1969-09-25 | 1971-08-17 | Lematex Corp | Multiple switch construction |
US3654407A (en) * | 1970-06-08 | 1972-04-04 | Sylvania Electric Prod | Compression switch |
US3643041A (en) * | 1970-12-30 | 1972-02-15 | Unidynamics Phoenix | Pushbutton diaphragm switch with improved dimple actuator and/or capacitance-type switch contact structure |
US3668337A (en) * | 1971-01-18 | 1972-06-06 | Thomas & Betts Corp | Matrix switch with improved flexible insulative spacer arrangement |
US3723684A (en) * | 1971-04-09 | 1973-03-27 | Itt | Pressure responsive switch with parallel contact blades bent apart by axial force applied by diaphragm |
US3758733A (en) * | 1971-10-04 | 1973-09-11 | Essex International Inc | Ric material and conductive particles therein pressure sensitive stepping switches with multi layer spring contact assembly with interposed layers of lubricated non-conductive elastome |
US3707609A (en) * | 1971-10-27 | 1972-12-26 | Texas Instruments Inc | Diaphragm pushbutton switch array for keyboards |
US3860771A (en) * | 1973-10-29 | 1975-01-14 | Chomerics Inc | Keyboard switch assembly with dome shaped actuator having associated underlying contactor means |
-
1973
- 1973-10-31 US US411345A patent/US3879586A/en not_active Expired - Lifetime
-
1974
- 1974-10-21 CA CA211,814A patent/CA1047938A/fr not_active Expired
- 1974-10-24 IT IT28754/74A patent/IT1025169B/it active
- 1974-10-29 GB GB4680574A patent/GB1468384A/en not_active Expired
- 1974-10-30 FR FR7436268A patent/FR2250192B1/fr not_active Expired
- 1974-10-31 JP JP49124966A patent/JPS5078872A/ja active Pending
-
1975
- 1975-03-14 US US05/558,481 patent/US4067102A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2250192A1 (fr) | 1975-05-30 |
JPS5078872A (fr) | 1975-06-26 |
GB1468384A (en) | 1977-03-23 |
DE2451294B2 (de) | 1977-06-02 |
US3879586A (en) | 1975-04-22 |
IT1025169B (it) | 1978-08-10 |
DE2451294A1 (de) | 1975-05-07 |
US4067102A (en) | 1978-01-10 |
CA1047938A (fr) | 1979-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |