Patent US2776829A successfully refreshed from Google Patents.
US2776829A
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US
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Devices responsive to rates of change of acceleration
Assignee: Pyrene Co Ltd
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Filing: 1953-03-19
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Granted: 1957-01-08
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Expires: 1973-03-19
Abstract
No abstract record available.
Inventors
- 👤 Cockram Reginald William James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:21
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/14; H01H35/141; H01H35/142; G; G01; G01P; G01P15/00; G01P15/001; H01H35/24; H01H35/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1595225A
Cited
US2347962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |