US2674098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power-driven tool for drilling and like operations
Assignee: KELLER TOOL CO
•
Filing: 1949-03-12
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Granted: 1954-04-06
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Expires: 1969-03-12
Abstract
No abstract record available.
Inventors
- 👤 John L Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
B; B23; B23B; B23B45/00; B23B45/04; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US484224A
Cited
US1200826A
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US1628621A
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US2103252A
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US2141697A
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US2406482A
Cited
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US2541300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |