US2849765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deformable and detachable fastener unit
Assignee: Individual
•
Filing: 1955-04-18
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Granted: 1958-09-02
•
Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Sena Joseph De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:29
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F16B5/0607; F16B5/0621; F16B5/0642; B; B21; B21D; B21D39/00; B21D39/03; F16B5/0004; F16B5/0008; F16B5/0657; Y; Y10; Y10T; Y10T403/00; Y10T403/16; Y10T403/49; Y10T403/4974
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |