US2462647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angle drill
Assignee: Individual
•
Filing: 1948-04-21
•
Granted: 1949-02-22
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Expires: 1968-04-21
Abstract
No abstract record available.
Inventors
- 👤 Charles A Koza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:12
CPC Classifications
B; B23; B23B; B23B45/00; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/043; B23Q5/045; F; F16; F16C; F16C17/00; F16C17/04; F16C17/08; F16C2322/00; F16C2322/39; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1966; Y10T74/19665; Y10T74/19688
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |