US2708463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide for power driven rotary tools
Assignee: Individual
•
Filing: 1952-01-14
•
Granted: 1955-05-17
•
Expires: 1972-01-14
Abstract
No abstract record available.
Inventors
- 👤 Marvin W Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:32
CPC Classifications
B; B23; B23Q; B23Q9/00; B23Q9/0064; B23Q9/0078; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7755; Y10T83/7763; Y10T83/7768; Y10T83/7772; Y10T83/869; Y10T83/8763
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2502640A
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US2527754A
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US2513497A
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US2630146A
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US2627287A
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US2629410A
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US2558217A
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US2596524A
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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) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |