US2631872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick coupling
Assignee: Individual
•
Filing: 1949-01-24
•
Granted: 1953-03-17
•
Expires: 1969-01-24
Abstract
No abstract record available.
Inventors
- 👤 Franklin T Wurmser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:01
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/0847; F16L37/0848; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17504; Y10T279/17512
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US751345A
Cited
US1295474A
Cited
US1509651A
Cited
US1416781A
Cited
US1711870A
Cited
US1538670A
Cited
US1796827A
Cited
US2129704A
Cited
US2070013A
Cited
US2069434A
Cited
US2111956A
Cited
US2400817A
Cited
US2533637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |