US2649032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for gravity feed of gears to gear shaving tool
Assignee: Michigan Tool Co
•
Filing: 1948-06-16
•
Granted: 1953-08-18
•
Expires: 1968-06-16
Abstract
No abstract record available.
Inventors
- 👤 Alexander D F Moncrieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:03
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/02; B23F23/04; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/100795; Y10T409/101431; Y10T409/10477
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2535648A
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US2479878A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |