Patent USRE27963E successfully refreshed from Google Patents.
USRE27963E
Expired / Lapsed
US
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Pushbutton switches
Assignee: —
•
Filing: 1972-12-15
•
Granted: 1974-04-09
•
Expires: 1992-12-15
Abstract
Abstract A PUSHBUTTON SWITCH IS PROVIDED WITH A SLIDER WITH A STOP PART EXTENDING INTO A GROOVE IN THE SLIDER. THE STOP PART IS HELD IN POSITION BY A RETRACTIBLE HELICAL SPRING PARALLEL TO THE SLIDER.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:26
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/32; H01; H01H; H01H13/00; H01H13/50; H01H13/56; H01H13/562; H01H13/564; H01H1/00; H01H2001/001; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-08 | 1977-10-08 | 1978-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-08 | 1981-10-08 | 1982-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-08 | 1985-10-08 | 1986-04-09 | $7700.00 | Window Closed / Lapsed |