Patent US2977433A successfully refreshed from Google Patents.
US2977433A
Expired / Lapsed
US
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Radio clock mechanism
Assignee: General Time Corp
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Filing: 1957-09-09
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Granted: 1961-03-28
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Expires: 1977-09-09
Abstract
No abstract record available.
Inventors
- 👤 Elmer H Beiser
- 👤 Robert H Eme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:50
CPC Classifications
G; G04; G04C; G04C21/00; G04C21/16; G04C21/28; H; H01; H01H; H01H43/00; H01H43/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1489580A
Cited
US2374946A
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US2414835A
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US2561187A
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US2578503A
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US2533477A
Cited
US2505573A
Cited
US2721441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |