Patent US3273591A successfully refreshed from Google Patents.
US3273591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor valve with removable guide means
Assignee: —
•
Filing: —
•
Granted: 1966-09-20
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Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:21
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; F04B39/1033; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/066; F16K15/08; F16K15/10; F16K2200/00; F16K2200/20; F16K2200/203; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7859; Y10T137/7861; Y10T137/7862; Y10T137/7865; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7937
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A VALVE FOR COMPRESSORS COMPRISING A SEAT MEMBER, A GUARD MEMBER SECURED THERETO, FLAT ANNULAR VALVE DISCS DISPOSED BETWEEN SAID SEAT MEMBER AND GUARD MEMBER, AND A SEPARATE GUIDE MEMBER BETWEEN SAID VALVE DISCS, SAID GUIDE MEMBER BEING REMOVABLY MOUNTED PARTIALLY WITHIN THE SEAT MEMBER AND HAVING SPACED PORTIONS RESPECTIVELY SLIDABLY ENGAGING A PERIPHERY OF SAID VALVE DISCS.
Claim 2
Dependent Claim
58 words
A VALVE FOR COMPRESSORS COMPRISING A SEAT MEMBER, A GUARD MEMBER SECURED THERETO, FLAT ANNULAR VALVE DISCS DISPOSED BETWEEN SAID SEAT MEMBER AND GUARD MEMBER, AND A SEPARATE GUIDE MEMBER BETWEEN SAID VALVE DISCS, SAID GUIDE MEMBER BEING REMOVABLY MOUNTED PARTIALLY WITHIN THE SEAT MEMBER AND HAVING SPACED PORTIONS RESPECTIVELY SLIDABLY ENGAGING A PERIPHERY OF SAID VALVE DISCS.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |