US3082937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: Motors Liquidation Co
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Filing: 1960-11-25
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Granted: 1963-03-26
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Marion K Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:46
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A ROTARY COMPRESSOR, A FRAME ELEMENT, A SHAFT JOURNALED IN SAID FRAME ELEMENT, MEANS COOPERATING WITH SAID FRAME ELEMENT TO FORM A ROTARY COMPRESSION CHAMBER, INLET AND OUTLET PORTS FOR SAID CHAMBER, SAID SHAFT HAVING AN ECCENTRIC PORTION THEREON, AN IMPELLER ON SAID ECCENTRIC PORTION ARRANGED TO OPERATE IN SAID COMPRESSION CHAMBER TO COMPRESS GAS THEREIN, SAID IMPELLER COMPRISING A RINGLIKE ELEMENT, A CIRCUMFERENTIALLY EXTENDING GROOVE FORMED IN EACH END SURFACE OF SAID RING-LIKE ELEMENT INTERMEDIATE THE INNER AND OUTER EDGES THEREOF,
Claim 2
Dependent Claim
83 words
IN A ROTARY COMPRESSOR, A FRAME ELEMENT, A SHAFT JOURNALED IN SAID FRAME ELEMENT, MEANS COOPERATING WITH SAID FRAME ELEMENT TO FORM A ROTARY COMPRESSION CHAMBER, INLET AND OUTLET PORTS FOR SAID CHAMBER, SAID SHAFT HAVING AN ECCENTRIC PORTION THEREON, AN IMPELLER ON SAID ECCENTRIC PORTION ARRANGED TO OPERATE IN SAID COMPRESSION CHAMBER TO COMPRESS GAS THEREIN, SAID IMPELLER COMPRISING A RINGLIKE ELEMENT, A CIRCUMFERENTIALLY EXTENDING GROOVE FORMED IN EACH END SURFACE OF SAID RING-LIKE ELEMENT INTERMEDIATE THE INNER AND OUTER EDGES THEREOF,
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |