Patent US2279216A successfully refreshed from Google Patents.
US2279216A
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US
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Gear and pinion
Assignee: Westinghouse Electric Corp
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Filing: 1939-11-04
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Granted: 1942-04-07
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Expires: 1959-11-04
Abstract
No abstract record available.
Inventors
- 👤 Way Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:02
CPC Classifications
B; B21; B21H; B21H5/00; B21H5/02; B21H5/022; B23; B23F; B23F17/00; B23F17/001; F; F16; F16H; F16H55/00; F16H55/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19963
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) | 1945-04-06 | 1945-10-06 | 1946-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-04-06 | 1949-10-06 | 1950-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-04-06 | 1953-10-06 | 1954-04-07 | $7700.00 | Window Closed / Lapsed |