US2672905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Tinnerman Products Inc
•
Filing: 1950-12-11
•
Granted: 1954-03-23
•
Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Richard A Hartman
- 👤 Laurence H Flora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:34
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/041; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/97
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2233230A
Cited
US2230355A
Cited
US2255469A
Cited
US2358890A
Cited
US2390750A
Cited
US2581481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |