Patent US2284897A successfully refreshed from Google Patents.
US2284897A
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Power transmission
Assignee: Vickers Inc
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Filing: 1940-10-26
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Granted: 1942-06-02
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Expires: 1960-10-26
Abstract
No abstract record available.
Inventors
- 👤 Ferris T Harrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:07
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/478; B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; B60W; B60W10/00; B60W10/04; B60W10/10; B60W10/101; B60W10/103; F04; F04B; F04B49/00; F04C; F04C14/00; F04C15/00; F16H61/42; F16H61/433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-06-01 | 1945-12-01 | 1946-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-01 | 1949-12-01 | 1950-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-01 | 1953-12-01 | 1954-06-02 | $7700.00 | Window Closed / Lapsed |