Patent US2999968A successfully refreshed from Google Patents.
US3187602A
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Push button device
Assignee: Telephone Manufacturing Co Ltd
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Filing: 1961-06-29
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Granted: 1965-06-08
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Cousins Richard Geoffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:12
CPC Classifications
G; G05; G05G; G05G7/00; G05G7/02; G05G7/08; H; H01; H01H; H01H13/00; H01H13/50; H01H13/56; H01H13/562; H01H13/568; H01H13/70; H01H13/72; H01H13/74; H01H15/00; H01H15/02; H01H15/06; H01H15/10; H01H15/102; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992; Y10T74/20; Y10T74/20207; Y10T74/20238; Y10T74/20244
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |