US3422706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun drill
Assignee: Huntington Alloys Corp
•
Filing: 1965-08-06
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Granted: 1969-01-21
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Harold D Lunsford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:54
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/0006; B23B51/0007; B23B2251/00; B23B2251/20; B23B2251/201; B23B2251/48; B23B2251/56; B23B51/06; B23B51/063; B23B51/066; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/192; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/455
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |