Patent US3205318A successfully refreshed from Google Patents.
US3205318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire spring pushbutton assembly
Assignee: TDK Micronas GmbH
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Filing: 1963-06-11
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Granted: 1965-09-07
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Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 Bilek Frank Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:56
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/14; H01H13/70; H04; H04M; H04M1/00; H04M1/02; H04M1/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PUSHBUTTON ASSEMBLY COMPRISING A BASE PLATE HAVIN A CORDINATE ARRAY OF INTERSECTING HORIZONTAL AND VERTICAL GUIDEWAYS FORMED THEREIN, A PLURALITY OF PUSHBUTTONS, MEANS COMPRISING AN ELONGATED UNDULATING SPRING IN EACH OF SAID GUIDEWAYS FOR BIASING SAID PUSHBUTTONS TO A NORMAL POSITION AND FOR TRANSLATING DOWNWARD MOTION AT ANY OF SAID INTERSECTIONS INTO LONGITUDINAL MOTION ALONG THE LENGTH OF SAID GUIDEWAYS, AND MEANS AT THE END OF EACH
Claim 2
Dependent Claim
68 words
A PUSHBUTTON ASSEMBLY COMPRISING A BASE PLATE HAVIN A CORDINATE ARRAY OF INTERSECTING HORIZONTAL AND VERTICAL GUIDEWAYS FORMED THEREIN, A PLURALITY OF PUSHBUTTONS, MEANS COMPRISING AN ELONGATED UNDULATING SPRING IN EACH OF SAID GUIDEWAYS FOR BIASING SAID PUSHBUTTONS TO A NORMAL POSITION AND FOR TRANSLATING DOWNWARD MOTION AT ANY OF SAID INTERSECTIONS INTO LONGITUDINAL MOTION ALONG THE LENGTH OF SAID GUIDEWAYS, AND MEANS AT THE END OF EACH
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |