US2499753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain tightening and securing device
Assignee: AB Chance Co
•
Filing: 1946-05-02
•
Granted: 1950-03-07
•
Expires: 1966-05-02
Abstract
No abstract record available.
Inventors
- 👤 David C Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:34
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/12; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2102; Y10T24/2121; Y10T24/2177; Y10T24/39; Y10T24/3902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US882850A
Cited
US1342626A
Cited
US1542548A
Cited
US1826120A
Cited
US1849789A
Cited
US2089370A
Cited
US2309769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |