US3016933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated tool attachment for electric drills and the like
Assignee: C H KEESLING
•
Filing: 1957-02-11
•
Granted: 1962-01-16
•
Expires: 1977-02-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Keesling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:26
CPC Classifications
B; B23; B23D; B23D57/00; B23D57/0076; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D51/00; B23D51/08; B23D51/10; B23D59/00; B23D59/001; B23D59/002; B23D49/211; Y; Y10; Y10T; Y10T408/00; Y10T408/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US462797A
Cited
US2621685A
Cited
US2668567A
Cited
US2646094A
Cited
US2747621A
Cited
US2783790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |