US3156256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve locking means
Assignee: Individual
•
Filing: 1962-07-16
•
Granted: 1964-11-10
•
Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Donald F Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:33
CPC Classifications
F; F16; F16K; F16K35/00; F16K35/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7069; Y10T137/7256; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5624; Y10T70/5637
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A VALVE LOCKING MEANS, COMPRISING, IN COMBINATION, A VALVE HAVING A HOUSING AND A ROTATABLE VALVE STEM WITH A PORTION EXTENDING BEYOND THE VALVE HOUSING ELONGATED AND RECTANGULAR IN CROSS SECTION, A JACKET DETACHABLY WRAPPED AROUND SAID VALVE HOUSING, SAID JACKET HAVING TWO ELONGATED RECTANGULAR SLOT OPENINGS EACH CAPABLE OF SELECTIVELY EMBRACING THAT PORTION OF THE VALVE STEM THAT IS ELONGATED AND RECTANGULAR IN CROSS SECTION; SAID SLOT OPENINGS EXTENDING TRANSVERSELY TO EACH OTHER, A TAB ON END OF SAID JACKET, A SLIT IN THE OTHER END AREA OF SAID JACKET FOR RECEIVING SAID TAB, SAID TAB HAVING A HOLE;
Claim 2
Dependent Claim
101 words
IN A VALVE LOCKING MEANS, COMPRISING, IN COMBINATION, A VALVE HAVING A HOUSING AND A ROTATABLE VALVE STEM WITH A PORTION EXTENDING BEYOND THE VALVE HOUSING ELONGATED AND RECTANGULAR IN CROSS SECTION, A JACKET DETACHABLY WRAPPED AROUND SAID VALVE HOUSING, SAID JACKET HAVING TWO ELONGATED RECTANGULAR SLOT OPENINGS EACH CAPABLE OF SELECTIVELY EMBRACING THAT PORTION OF THE VALVE STEM THAT IS ELONGATED AND RECTANGULAR IN CROSS SECTION; SAID SLOT OPENINGS EXTENDING TRANSVERSELY TO EACH OTHER, A TAB ON END OF SAID JACKET, A SLIT IN THE OTHER END AREA OF SAID JACKET FOR RECEIVING SAID TAB, SAID TAB HAVING A HOLE;
References Cited (Backward Citations)
US1158631A
Cited
US1690461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |