US2453482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal drill jig
Assignee: Individual
•
Filing: 1946-09-14
•
Granted: 1948-11-09
•
Expires: 1966-09-14
Abstract
No abstract record available.
Inventors
- 👤 Charles H Woolson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:28
CPC Classifications
B; B23; B23B; B23B47/00; B23B47/28; B23B47/281; B23B2247/00; B23B2247/12; B23B2247/18; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/56245; Y10T408/567
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) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |