US2372931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spline arbor
Assignee: FOOT BROS GEAR AND MACHINE COR
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Filing: 1943-08-02
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Granted: 1945-04-03
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Expires: 1963-08-02
Abstract
No abstract record available.
Inventors
- 👤 John D Bregin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:53
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/0018; F16H57/0025; B; B23; B23B; B23B31/00; B23B31/02; B23B31/025; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0852; F16D1/0864; F16D1/0894; F16D1/12; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T279/00; Y10T279/28; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7033; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7083; Y10T82/00; Y10T82/26; Y10T82/266
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) | 1948-04-02 | 1948-10-02 | 1949-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-02 | 1952-10-02 | 1953-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-02 | 1956-10-02 | 1957-04-03 | $7700.00 | Window Closed / Lapsed |