US3174677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable clearance bottle for gas compressors and gas leakage sealing means therefor
Assignee: Phillips Petroleum Co
•
Filing: 1962-03-30
•
Granted: 1965-03-23
•
Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Francis H Ramstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:25
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A VARIABLE CLEARANCE BOTTLE FOR A RECIPROCATING COMPRESSOR HAVING A COMPRESSION CHAMBER COMPRISING IN COMBINATION: (1) A CYLINDER OF SMOOTH BORE HAVING A LONGITUDINAL AXIS AND MEANS AT ONE END FOR ATTACHING SAID CYLINDER TO SAID COMPRESSION CHAMBER OF SAID COMPRESSOR; (2) A CLOSURE MEMBER SEALED DIRECTLY TO THE OPPOSITE END OF SAID CYLINDER HAVING AN AXIAL OPENING THERETHRU FOR A PISTON ROD; (3) A PISTON ROD COAXIAL WITH SAID CYLINDER EXTENDING LOOSELY THRU SAID OPENING AND BEING THREADED FROM ITS INNER END TOWARD ITS OUTER END A DISTANCE SUBSTANTIALLY THE LENGTH OF SAID CYLINDER; (4) A PISTON ON THE INNER END OF SAID ROD FIRMLY FIXED THEREON BY THREADED ELEMENTS ON EACH SIDE OF THE PISTON AND SILDABLY ENGAGING SAID BORE; AND (5) THREADED HOLDING MEANS THREADED TO SAID ROD ON
Claim 2
Dependent Claim
132 words
A VARIABLE CLEARANCE BOTTLE FOR A RECIPROCATING COMPRESSOR HAVING A COMPRESSION CHAMBER COMPRISING IN COMBINATION: (1) A CYLINDER OF SMOOTH BORE HAVING A LONGITUDINAL AXIS AND MEANS AT ONE END FOR ATTACHING SAID CYLINDER TO SAID COMPRESSION CHAMBER OF SAID COMPRESSOR; (2) A CLOSURE MEMBER SEALED DIRECTLY TO THE OPPOSITE END OF SAID CYLINDER HAVING AN AXIAL OPENING THERETHRU FOR A PISTON ROD; (3) A PISTON ROD COAXIAL WITH SAID CYLINDER EXTENDING LOOSELY THRU SAID OPENING AND BEING THREADED FROM ITS INNER END TOWARD ITS OUTER END A DISTANCE SUBSTANTIALLY THE LENGTH OF SAID CYLINDER; (4) A PISTON ON THE INNER END OF SAID ROD FIRMLY FIXED THEREON BY THREADED ELEMENTS ON EACH SIDE OF THE PISTON AND SILDABLY ENGAGING SAID BORE; AND (5) THREADED HOLDING MEANS THREADED TO SAID ROD ON
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |