US2909082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic feed and depth control for a drill press
Assignee: Individual
•
Filing: 1956-09-06
•
Granted: 1959-10-20
•
Expires: 1976-09-06
Abstract
No abstract record available.
Inventors
- 👤 Sheldon M Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:39
CPC Classifications
B; B23; B23Q; B23Q16/00; Y; Y10; Y10T; Y10T408/00; Y10T408/18; Y10T82/00; Y10T82/25; Y10T82/2572; Y10T82/2574
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US20469A
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US1862866A
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US2055888A
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US2104123A
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US2396733A
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US2365267A
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US2490307A
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US2664768A
Cited
US2683998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |