US3362680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve seat
Assignee: ROBERT C WEISS
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Filing: 1962-10-18
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Granted: 1968-01-09
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Robert C Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:27
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A VALVE COMPRISING A BODY MEMBER INCLUDING AN INTERNALLY THREADED BORE, IN EXTERNALLY THREADED COLLAR MEMBER ENGAGING SAID INTERNALLY THREADED BORE AND HAVING AN END SHOULDER BORDERED BY AN AXIALLY EXTENDING PERIPHERAL FLANGE HAVING A PERIPHERAL GROOVE FORMED IN THE INNER FACE THEREOF, AN ANNULAR PLASTIC VALVE SEAT ENGAGED BY AND SUBSTANTIALLY AXIALLY FIXED AND SUBSTANTIALLY FREELY ROTATABLE RELATIVE TO SAID COLLAR AND HAVING A PERIPHERAL LIP REGISTERING WITH SAID GROOVE AND A FACE ABUTTING SAID SHOULDER, AN AXIALLY MOVABLE VALVE STEM SUPPORTED BY SAID BODY MEMBER, AND A VALVE WASHER CARRIED BY SAID VALVE STEM AND MOVABLE THEREWITH INTO AND OUT OF ENGAGEMENT WITH SAID VALVE SEAT.
Claim 2
Dependent Claim
108 words
A VALVE COMPRISING A BODY MEMBER INCLUDING AN INTERNALLY THREADED BORE, IN EXTERNALLY THREADED COLLAR MEMBER ENGAGING SAID INTERNALLY THREADED BORE AND HAVING AN END SHOULDER BORDERED BY AN AXIALLY EXTENDING PERIPHERAL FLANGE HAVING A PERIPHERAL GROOVE FORMED IN THE INNER FACE THEREOF, AN ANNULAR PLASTIC VALVE SEAT ENGAGED BY AND SUBSTANTIALLY AXIALLY FIXED AND SUBSTANTIALLY FREELY ROTATABLE RELATIVE TO SAID COLLAR AND HAVING A PERIPHERAL LIP REGISTERING WITH SAID GROOVE AND A FACE ABUTTING SAID SHOULDER, AN AXIALLY MOVABLE VALVE STEM SUPPORTED BY SAID BODY MEMBER, AND A VALVE WASHER CARRIED BY SAID VALVE STEM AND MOVABLE THEREWITH INTO AND OUT OF ENGAGEMENT WITH SAID VALVE SEAT.
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |