Patent US3265085A successfully refreshed from Google Patents.
US3265085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-ring valve
Assignee: Hoerbiger Ventilwerke GmbH and Co KG
•
Filing: 1963-10-15
•
Granted: 1966-08-09
•
Expires: 1983-10-15
Abstract
No abstract record available.
Inventors
- 👤 Koehler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:54
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/1053; F16; F16K; F16K15/00; F16K15/02; F16K15/08; F16K15/10; F16K15/12; F16K15/14; F16K15/1402; F16K2200/00; F16K2200/20; F16K2200/203; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784; Y10T137/7859; Y10T137/786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A MULTIPLE-RING VALVE, PARTICULARLY FOR PISTON-TYPE COMPRESSORS, COMPRISING A VALVE SEAT AND A VALVE GUARD ARRANGED IN SPACED RELATION THERETO, A CLOSING MEMBER LOCATED BETWEEN THE VALVE SEAT AND THE VALVE GUARD AND LOADED BY MEANS OF AT LEAST ONE ARCUATE SPRING PLATE FORMED BY CONCENTRICAL RINGS INTERCONNECTED BY WEBS, WHEREIN ADJACENT RINGS OF EACH SPRING PLATE ARE INTERCONNECTED BY NOT MORE THAN TWO WEBS, ALL OF THE WEBS OF THE SPRING PLATE BEING LOCATED ON THE SOME PLATE DIAMETER, AND AT LEAST ONE RING OF EACH SPRING PLATE IS VAULTED SO AS TO PRODUCE AN APPROXIMATELY CYLINDRICAL SURFACE, THE GENERATING LINES OF WHICH EXTEND PARALLEL TO THE PLATE DIAMETER TRAVERSING THE WEBS.
Claim 2
Dependent Claim
113 words
A MULTIPLE-RING VALVE, PARTICULARLY FOR PISTON-TYPE COMPRESSORS, COMPRISING A VALVE SEAT AND A VALVE GUARD ARRANGED IN SPACED RELATION THERETO, A CLOSING MEMBER LOCATED BETWEEN THE VALVE SEAT AND THE VALVE GUARD AND LOADED BY MEANS OF AT LEAST ONE ARCUATE SPRING PLATE FORMED BY CONCENTRICAL RINGS INTERCONNECTED BY WEBS, WHEREIN ADJACENT RINGS OF EACH SPRING PLATE ARE INTERCONNECTED BY NOT MORE THAN TWO WEBS, ALL OF THE WEBS OF THE SPRING PLATE BEING LOCATED ON THE SOME PLATE DIAMETER, AND AT LEAST ONE RING OF EACH SPRING PLATE IS VAULTED SO AS TO PRODUCE AN APPROXIMATELY CYLINDRICAL SURFACE, THE GENERATING LINES OF WHICH EXTEND PARALLEL TO THE PLATE DIAMETER TRAVERSING THE WEBS.
References Cited (Backward Citations)
US3123095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |