US3103340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable sealing valve means with friction reducing means for faucets
Assignee: Individual
•
Filing: 1962-05-07
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Granted: 1963-09-10
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Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 William V Cope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:56
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A FAUCET INCLUDING A SCREW THREADED ROTATABLE OPERATING SPINDLE BEING CONCENTRICALLY APERTURED AT THE LOWER END THEREOF; A FREE FLOATING STEM ENGAGEABLE WITHIN SAID APERTURED LOWER END OF SAID SPINDLE FOR MOVEMENT THEREIN, A RESILIENT SEALING VALVE SECURED TO THE LOWER END OF SAID STEM, FRICTION REDUCING MEANS LOOSELY MOUNTED AROUND SAID STEM AND FREELY RESTING ON THE UPPER SURFACE OF SAID SEALING VALVE, SAID FRICTION REDUCING MEANS TAKING THE FORM OF A SUBSTANTIALLY RIGID PLANAR WASHER, AN ENLARGED CYLINDRICAL PORTION FORMED ON THE LOWER END OF SAID SPINDLE, SAID ENLARGED PORTION BEING CONCENTRICALLY RECESSED ON THE UNDER SURFACE THEREOF, THE DIAMETER OF THE UPPER PORTION OF SAID SEALING VALVE AND THE DIAMETER OF SAID FRICTION REDUCING MEANS BEING LESS THAN THE DIAMETER OF SAID RECESS OF SAID ENLARGED PORTION WHEREBY SAID FRICTION REDUCING MEANS AND SAID UPPER PORTION OF SAID SEALING VALVE ENGAGE FREELY WITHIN SAID RECESS GUIDED BY THE ENGAGEMENT OF SAID STEM WITHIN SAID APERTURED END OF SAID SPINDLE.
Claim 2
Dependent Claim
163 words
IN A FAUCET INCLUDING A SCREW THREADED ROTATABLE OPERATING SPINDLE BEING CONCENTRICALLY APERTURED AT THE LOWER END THEREOF; A FREE FLOATING STEM ENGAGEABLE WITHIN SAID APERTURED LOWER END OF SAID SPINDLE FOR MOVEMENT THEREIN, A RESILIENT SEALING VALVE SECURED TO THE LOWER END OF SAID STEM, FRICTION REDUCING MEANS LOOSELY MOUNTED AROUND SAID STEM AND FREELY RESTING ON THE UPPER SURFACE OF SAID SEALING VALVE, SAID FRICTION REDUCING MEANS TAKING THE FORM OF A SUBSTANTIALLY RIGID PLANAR WASHER, AN ENLARGED CYLINDRICAL PORTION FORMED ON THE LOWER END OF SAID SPINDLE, SAID ENLARGED PORTION BEING CONCENTRICALLY RECESSED ON THE UNDER SURFACE THEREOF, THE DIAMETER OF THE UPPER PORTION OF SAID SEALING VALVE AND THE DIAMETER OF SAID FRICTION REDUCING MEANS BEING LESS THAN THE DIAMETER OF SAID RECESS OF SAID ENLARGED PORTION WHEREBY SAID FRICTION REDUCING MEANS AND SAID UPPER PORTION OF SAID SEALING VALVE ENGAGE FREELY WITHIN SAID RECESS GUIDED BY THE ENGAGEMENT OF SAID STEM WITHIN SAID APERTURED END OF SAID SPINDLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |