Patent US2315409A successfully refreshed from Google Patents.
US2315409A
Expired / Lapsed
US
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Bevel gearing
Assignee: Bristol Aeroplane Co Ltd
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Filing: 1942-01-14
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Granted: 1943-03-30
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Expires: 1962-01-14
Abstract
No abstract record available.
Inventors
- 👤 Fedden Alfred Hubert Roy
- 👤 Butler Leonard Frederic George
- 👤 Thomas Frederick Metcalf
- 👤 Price Peter Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:53
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/20; F16H1/22; F16H1/222; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628; Y10T74/19642; Y10T74/19688
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) | 1946-03-29 | 1946-09-28 | 1947-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-03-29 | 1950-09-28 | 1951-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-03-29 | 1954-09-28 | 1955-03-30 | $7700.00 | Window Closed / Lapsed |