USRE22810E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable coupling
Assignee: —
•
Filing: —
•
Granted: 1946-11-05
•
Expires: 1963-11-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:10
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/04; F16L19/06; F16L33/00; F16L33/22; F16L33/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-11-04 | 1950-05-06 | 1950-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-11-04 | 1954-05-06 | 1954-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-11-04 | 1958-05-06 | 1958-11-05 | $7700.00 | Window Closed / Lapsed |