Patent US1279302A successfully refreshed from Google Patents.
US1279302A
Expired / Lapsed
US
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Drill-gage and countersink.
Assignee: Individual
•
Filing: 1918-02-12
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Granted: 1918-09-17
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Expires: 1938-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jesse M Dunlap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:10
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/108; B23B51/1085; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786; Y10T292/00; Y10T292/85; Y10T292/869; Y10T408/00; Y10T408/86; Y10T408/87; Y10T408/8725; Y10T408/8734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-09-16 | 1922-03-18 | 1922-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-09-16 | 1926-03-18 | 1926-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-09-16 | 1930-03-18 | 1930-09-17 | $7700.00 | Window Closed / Lapsed |