Patent US2316231A successfully refreshed from Google Patents.
US2316231A
Expired / Lapsed
US
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Device for inserting wire coils in tapped holes
Assignee: AIRCRAFT SCREW PROD CO
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Filing: 1942-06-16
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Granted: 1943-04-13
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Expires: 1962-06-16
Abstract
No abstract record available.
Inventors
- 👤 Evans Neil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:32
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/143; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49881; Y10T29/53; Y10T29/53613; Y10T29/53622; Y10T29/53687; Y10T29/53691
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) | 1946-04-12 | 1946-10-12 | 1947-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-12 | 1950-10-12 | 1951-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-12 | 1954-10-12 | 1955-04-13 | $7700.00 | Window Closed / Lapsed |