Patent US2869224A successfully refreshed from Google Patents.
US2869224A
Expired / Lapsed
US
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Seating tool for wire coil screw thread inserts
Assignee: Heli Coil Corp
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Filing: 1955-01-05
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Granted: 1959-01-20
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Expires: 1975-01-05
Abstract
No abstract record available.
Inventors
- 👤 John O Forster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:32
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/02; B; B25; B25B; B25B27/00; B25B27/14; B25B27/143; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53687; Y10T29/53691
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |