US2499567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupler operating mechanism
Assignee: Standard Railway Equipment Manufacturing Co
•
Filing: 1945-10-04
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Granted: 1950-03-07
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Expires: 1965-10-04
Abstract
No abstract record available.
Inventors
- 👤 Sabin C Bronson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:51
CPC Classifications
B; B61; B61G; B61G3/00; B61G3/04; B61G3/06; B61G3/08; F; F16; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1811830A
Cited
US2409322A
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 |