Patent US2969588A successfully refreshed from Google Patents.
US2969588A
Expired / Lapsed
US
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Tool for inserting wire coils in bores
Assignee: Heli Coil Corp
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Filing: 1958-07-08
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Granted: 1961-01-31
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Expires: 1978-07-08
Abstract
No abstract record available.
Inventors
- 👤 Ronald B Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:16
CPC Classifications
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) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |