US2780265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread coil secured in ductile material by deformation of the material
Assignee: Heli Coil Corp
•
Filing: 1955-02-28
•
Granted: 1957-02-05
•
Expires: 1975-02-28
Abstract
No abstract record available.
Inventors
- 👤 Leo J Brancato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:59
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/12; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49881; Y10T29/49908; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US820586A
Cited
US1928443A
Cited
US2262450A
Cited
US2354810A
Cited
US2402159A
Cited
US2497081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |