Patent US4797925A successfully refreshed from Google Patents.
Patent US3291385A successfully refreshed from Google Patents.
US3291385A
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Receiver-separator unit for liquidinjected compressor
Assignee: Gardner Denver Inc
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Filing: 1965-06-01
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Granted: 1966-12-13
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Ravmond F Williams
- 👤 Sylvester L Anerino
- 👤 Harry W Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:06
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/02; F04C29/026; F04C18/00; F04C18/08; F04C18/12; F04C18/14; F04C18/16; Y; Y10; Y10S; Y10S418/00; Y10S418/01; Y10S55/00; Y10S55/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A RECEIVE-SEPARATOR UNIT FOR A LIQUID-INJECTED GAS COMPRESSOR, COMPRISING: (A) A ELONGATED TANK HAVING A CYLINDRICAL WALL WHICH DEFINES A BORE; (B) PARTITION MEANS DIVIDING SAID TANK LONGITUDINALLY INTO FIRST AND SECOND COMPARTMENTS; (C) SAID PARTITION TRANSVERSELY CLOSING A MAJOR PORTION OF SAID CYLINDER BORE AND COACTING WITH A PORTION OF SAID TANK TO DEFINE A LIQUID RESERVOIR IN SAID FIRST COMPARTMENT; (D) GAS INLET MEANS OPENING TO SAID FIRST COMPARTMENT;
Claim 2
Dependent Claim
71 words
A RECEIVE-SEPARATOR UNIT FOR A LIQUID-INJECTED GAS COMPRESSOR, COMPRISING: (A) A ELONGATED TANK HAVING A CYLINDRICAL WALL WHICH DEFINES A BORE; (B) PARTITION MEANS DIVIDING SAID TANK LONGITUDINALLY INTO FIRST AND SECOND COMPARTMENTS; (C) SAID PARTITION TRANSVERSELY CLOSING A MAJOR PORTION OF SAID CYLINDER BORE AND COACTING WITH A PORTION OF SAID TANK TO DEFINE A LIQUID RESERVOIR IN SAID FIRST COMPARTMENT; (D) GAS INLET MEANS OPENING TO SAID FIRST COMPARTMENT;
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |