US3354790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Volume adjusting apparatus for compressor cylinder clearance pockets
Assignee: Ingersoll Rand Co
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Filing: 1965-11-22
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Granted: 1967-11-28
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Hugh A Race
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:19
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN COMBINATION WITH A COMPRESSOR CYLINDER AND A CLEARANCE POCKET COMMUNICATION WITH SAID CYLINDER, AN APPARATUS FOR VARYING THE VOLUME OF SAID CLEARANCE POCKET COMMUNICATION WITH SAID CYLINDER, COMPRISING: A CLOSURE MEMBER DISPOSED WITHIN SAID CLEARANCE POCKET FOR CLOSING A PORTION OF THE VOLUME OF SAID CLEARANCE POCKET FROM COMMUNICATION WITH SID CYLINDER; AND A PLURALITY OF SEPARATBLE SPACER RINGS DISPOSED WITHIN SAID CLEARANCE POCKET AND RELOCATABLE THEREIN TO ADJUST THE DISPOSITION OF A CLOSURE MEMBER IN SAID CLEARANCE POCKET TO VARY THE PORTION OF THE VOLUME OF SAID CLEARANCE POCKET CLOSED BY SAID CLOSURE MEMBER FROM COMMUNICATION WITH SAID CYLINDER.
Claim 2
Dependent Claim
101 words
IN COMBINATION WITH A COMPRESSOR CYLINDER AND A CLEARANCE POCKET COMMUNICATION WITH SAID CYLINDER, AN APPARATUS FOR VARYING THE VOLUME OF SAID CLEARANCE POCKET COMMUNICATION WITH SAID CYLINDER, COMPRISING: A CLOSURE MEMBER DISPOSED WITHIN SAID CLEARANCE POCKET FOR CLOSING A PORTION OF THE VOLUME OF SAID CLEARANCE POCKET FROM COMMUNICATION WITH SID CYLINDER; AND A PLURALITY OF SEPARATBLE SPACER RINGS DISPOSED WITHIN SAID CLEARANCE POCKET AND RELOCATABLE THEREIN TO ADJUST THE DISPOSITION OF A CLOSURE MEMBER IN SAID CLEARANCE POCKET TO VARY THE PORTION OF THE VOLUME OF SAID CLEARANCE POCKET CLOSED BY SAID CLOSURE MEMBER FROM COMMUNICATION WITH SAID CYLINDER.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |