US2657443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Tinnerman Products Inc
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Filing: 1951-08-08
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Granted: 1953-11-03
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Expires: 1971-08-08
Abstract
No abstract record available.
Inventors
- 👤 Richard A Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:46
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; F16B2/245; F16B2/246; F16B21/00; F16B21/10; F16B21/20; F16B9/00; F16B9/05; F16B9/056; F16L; F16L5/00; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/97; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/3444; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2045
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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |