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Patent US2287559A successfully refreshed from Google Patents.
US2287559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Vickers Inc
•
Filing: 1938-12-17
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Granted: 1942-06-23
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Expires: 1958-12-17
Abstract
No abstract record available.
Inventors
- 👤 Hugh C Nye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:59
CPC Classifications
B; B24; B24B; B24B33/00; B24B33/02; Y; Y10; Y10S; Y10S60/00; Y10S60/911; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6757; Y10T408/83; Y10T408/85
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) | 1945-06-22 | 1945-12-22 | 1946-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-22 | 1949-12-22 | 1950-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-22 | 1953-12-22 | 1954-06-23 | $7700.00 | Window Closed / Lapsed |