US2531264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Tinnerman Products Inc
•
Filing: 1945-06-22
•
Granted: 1950-11-21
•
Expires: 1965-06-22
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Flora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:21
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F16B5/0607; F16B5/0621; F16B5/0642; Y; Y10; Y10S; Y10S411/00; Y10S411/913; Y10T; Y10T24/00; Y10T24/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1400155A
Cited
US1601844A
Cited
US1731206A
Cited
US1859779A
Cited
US1887611A
Cited
US2041336A
Cited
GB521276A
Cited
US2391298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |