Patent US2662415A successfully refreshed from Google Patents.
US2662415A
Expired / Lapsed
US
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Cog drive
Assignee: Old Carco LLC
•
Filing: 1948-04-30
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Granted: 1953-12-15
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Expires: 1968-04-30
Abstract
No abstract record available.
Inventors
- 👤 Richard N Shields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:35
CPC Classifications
F; F16; F16G; F16G5/00; F16G5/20; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1105518A
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US1792921A
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US1847177A
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US2054619A
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US2294821A
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US2397312A
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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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |