Patent US3124154A successfully refreshed from Google Patents.
US3124154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
kehler
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
2026-11-06 02:12
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/1053; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6525; Y10T137/7504; Y10T137/7559; Y10T137/7722; Y10T137/7837; Y10T137/7838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A VALVE ASSEMBLY, PARTICULARLY FOR PISTON TYPE COMPRESSORS AND ADAPTED TO BE CLAMPED BETWEEN A CYLINDER AND CYLINDER HEAD, COMPRISING A COMMON VALVE BODY FORMED OF UPPER AND LOWER DISCS CONCENTRICALLY ARRANGED FOR GRIPPING ONE OVER THE OTHER BETWEEN A CYLINDER AND CYLINDER HEAD OF A COMPRESSOR, ANNULAR FLOW PASSAGES IN SAID DISCS, A SUCTION VALVE AND AN EXHAUST VALVE CONCENTRIC WITH RESPECT TO EACH OTHER IN SAID PASSAGES, AND SPRING MEANS BEARING AGAINST THE SAID VALVES TO CLOSE THE FLOW PASSAGES, SAID UPPER DISC HAVING AN OUTER RIM EXTENDING THE COMPLETE HEIGHT OF THE VALVE ASSEMBLY FOR GRIPPING BETWEEN A CYLINDER HEAD AND A CYLINDER, A CONCENTRIC RECESS IN THE UNDER SURFACE OF SAID UPPER DISC FOR RECEIVING THE LOWER DISC, SAID LOWER DISC BEING MUCH THINNER THAN SAID UPPER DISC AND BEING NESTED IN SAID CONCENTRIC RECESS FOR GRIPPING BETWEEN THE UPPER DISC AND A CYLINDER, THE RIMS OF SAID UPPER AND LOWER DISC BEING JUXTAPOSED AT THE WALL OF SAID RECESS, AND THE LOWER FACES OF SAID RIMS BEING COPLANAR FOR RESTING TIGHTLY ON THE UPPER EDGE OF THE WALL OF A CYLINDER, WHEREBY THE VALVE ASSEMBLY MAY MORE READILY BE SEALED BETWEEN A CYLINDER AND ITS HEAD.
Claim 2
Dependent Claim
201 words
A VALVE ASSEMBLY, PARTICULARLY FOR PISTON TYPE COMPRESSORS AND ADAPTED TO BE CLAMPED BETWEEN A CYLINDER AND CYLINDER HEAD, COMPRISING A COMMON VALVE BODY FORMED OF UPPER AND LOWER DISCS CONCENTRICALLY ARRANGED FOR GRIPPING ONE OVER THE OTHER BETWEEN A CYLINDER AND CYLINDER HEAD OF A COMPRESSOR, ANNULAR FLOW PASSAGES IN SAID DISCS, A SUCTION VALVE AND AN EXHAUST VALVE CONCENTRIC WITH RESPECT TO EACH OTHER IN SAID PASSAGES, AND SPRING MEANS BEARING AGAINST THE SAID VALVES TO CLOSE THE FLOW PASSAGES, SAID UPPER DISC HAVING AN OUTER RIM EXTENDING THE COMPLETE HEIGHT OF THE VALVE ASSEMBLY FOR GRIPPING BETWEEN A CYLINDER HEAD AND A CYLINDER, A CONCENTRIC RECESS IN THE UNDER SURFACE OF SAID UPPER DISC FOR RECEIVING THE LOWER DISC, SAID LOWER DISC BEING MUCH THINNER THAN SAID UPPER DISC AND BEING NESTED IN SAID CONCENTRIC RECESS FOR GRIPPING BETWEEN THE UPPER DISC AND A CYLINDER, THE RIMS OF SAID UPPER AND LOWER DISC BEING JUXTAPOSED AT THE WALL OF SAID RECESS, AND THE LOWER FACES OF SAID RIMS BEING COPLANAR FOR RESTING TIGHTLY ON THE UPPER EDGE OF THE WALL OF A CYLINDER, WHEREBY THE VALVE ASSEMBLY MAY MORE READILY BE SEALED BETWEEN A CYLINDER AND ITS HEAD.
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 |