US2693378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-release coupling
Assignee: Individual
•
Filing: 1950-12-11
•
Granted: 1954-11-02
•
Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Walter O Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:36
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/02; F16L17/03; F16L17/035; F16L37/00; F16L37/08; F16L37/084; F16L37/092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB458958A
Cited
US1928836A
Cited
US2073909A
Cited
US2184376A
Cited
US2165052A
Cited
US2259453A
Cited
US2387182A
Cited
US2529098A
Cited
US2587810A
Cited
US2638362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |