US2810303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable drive transmission unit
Assignee: Individual
•
Filing: 1954-05-28
•
Granted: 1957-10-22
•
Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 John B Mcgay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:49
CPC Classifications
F; F16; F16H; F16H37/00; F16H61/00; F16H61/02; F16H61/0293; F16H2702/00; F16H2702/02; F16H2716/00; F16H2716/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US361222A
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FR531494A
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US1839992A
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US2533056A
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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) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |