Patent US2672769A successfully refreshed from Google Patents.
US2672769A
Expired / Lapsed
US
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Transmission
Assignee: LE ROI Co
•
Filing: 1951-03-07
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Granted: 1954-03-23
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Expires: 1971-03-07
Abstract
No abstract record available.
Inventors
- 👤 Gerst Chris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:27
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H3/00; F16H3/44; F16H3/46; F16H3/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1185320A
Cited
US1239213A
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US2182621A
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US2149117A
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US2348460A
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US2371371A
Cited
US2472559A
Cited
US2521239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |