US3124152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poppet-type valve construction
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:24
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5153; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
156 words
IN A VALVE CONSTRUCTION, THE COMBINATION COMPRISING A SEAT MEMBER PROVIDED WITH A PLURALITY OF PASSAGES, A VALVE FOR EACH OF SAID PASSAGES AND CLOSING THE SAME WHEN ENGAGING SAID SEAT MEMBER, A STOP PLATE MEMBER FOR LIMITING THE LIFT OF SAID VALVES, SPRING MEANS URGING SAID VALVES TOWARD A CLOSED POSITION, AND MEANS FOR SECURING SAID MEMBERS TOGETHER AND INCLUDING ALINED THROUGH HOLES PROVIDED IN SAID MEMBERS, THE OUTER PORTION OF EACH SUCH HOLE IN SAID MEMBERS BEING INTERNALLY THREADED, AND A FASTENER INSERTABLE INTO SAID ALINED HOLES FROM EITHER END AND INCLUDING A HEAD, SHANK AND EXTERNALLY THREADED END HAVING A LARGER MAXIMUM TRANSVERSE DIMENSION THAN SAID SHANK, SAID HEAD BEARING AGAINST THE OUTSIDE OF ONE OF SAID MEMBERS, SAID SHANK EXTENDING THROUGH SAID HOLE IN SAID ONE OF SAID MEMBERS AND BEING UNATTACHED THERETO AND SAID EXTERNALLY THREADED END BEING RECEIVED IN SAID INTERALLY THREADED HOLE PORTION IN THE OTHER OF SAID MEMBERS.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |