US3031004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing self locking wire inserts
Assignee: Heli Coil Corp
•
Filing: 1958-12-03
•
Granted: 1962-04-24
•
Expires: 1978-12-03
Abstract
No abstract record available.
Inventors
- 👤 Leo J Brancato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:24
CPC Classifications
B; B21; B21F; B21F45/00; B21F17/00; B21F3/00; B21F3/02; B21F3/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US518099A
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FR466812A
Cited
US1191514A
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US2192260A
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US2360047A
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US2393804A
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US2636523A
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US2755699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |