US2533797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Tinnerman Products Inc
•
Filing: 1947-10-20
•
Granted: 1950-12-12
•
Expires: 1967-10-20
Abstract
No abstract record available.
Inventors
- 👤 Richard A Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:03
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/28; F16B12/32; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/4588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2015049A
Cited
US2097988A
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US2147779A
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US2128005A
Cited
US2275773A
Cited
US2329688A
Cited
US2403881A
Cited
US2414986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |