US3107686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve and stem protector
Assignee: Individual
•
Filing: 1961-07-07
•
Granted: 1963-10-22
•
Expires: 1981-07-07
Abstract
No abstract record available.
Inventors
- 👤 Cam L Cowdrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:07
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/042; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T137/7043; Y10T137/7062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN COMBINATION, A PLUMBING FIXTURE HAVING A VALVE EXTENDING THEREFROM, SAID VALVE HAVING A STEM EXTENDING AXIALLY THEREFROM, SAID STEM HAVING THREADS THEREIN, A REMOVABLE PROTECTOR COMPRISING A TUBE ENGAGED OVER THE VALVE AND THE STEM AND HAVING AN INNER END ABUTTING SAID FIXTURE, A PLUG THREADED IN THE OUTER END OF THE TUBE SAID PLUG HAVING A SMOOTH AXIAL BORE, A SCREW HAVING A SMOOTH SHANK AND A HEAD ON ITS OUTER END, SAID SCREW SHANK EXTENDING THROUGH SAID BORE WITH ITS HEAD BEARING AGAINST THE OUTER END OF THE PLUG, SAID SCREW BEING THREADED TO SAID THREADS IN THE VALVE STEM, AND MEANS ON THE PLUG FOR ROTATING THE PLUG.
Claim 2
Dependent Claim
112 words
IN COMBINATION, A PLUMBING FIXTURE HAVING A VALVE EXTENDING THEREFROM, SAID VALVE HAVING A STEM EXTENDING AXIALLY THEREFROM, SAID STEM HAVING THREADS THEREIN, A REMOVABLE PROTECTOR COMPRISING A TUBE ENGAGED OVER THE VALVE AND THE STEM AND HAVING AN INNER END ABUTTING SAID FIXTURE, A PLUG THREADED IN THE OUTER END OF THE TUBE SAID PLUG HAVING A SMOOTH AXIAL BORE, A SCREW HAVING A SMOOTH SHANK AND A HEAD ON ITS OUTER END, SAID SCREW SHANK EXTENDING THROUGH SAID BORE WITH ITS HEAD BEARING AGAINST THE OUTER END OF THE PLUG, SAID SCREW BEING THREADED TO SAID THREADS IN THE VALVE STEM, AND MEANS ON THE PLUG FOR ROTATING THE PLUG.
References Cited (Backward Citations)
US1315890A
Cited
US676366A
Cited
US1003211A
Cited
US2188850A
Cited
US2708449A
Cited
US3011520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |