Patent US3215341A successfully refreshed from Google Patents.
US3215341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: Motors Liquidation Co
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Filing: 1963-01-18
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Granted: 1965-11-02
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Expires: 1983-01-18
Abstract
No abstract record available.
Inventors
- 👤 Philip L Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:20
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/08; F04B27/10; F04B27/12; F04B27/1036; F04B27/1045; F04B39/00; F04B39/10; F04B39/1073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
IN A COMPRESSOR, THE COMBINATION OF, A CYLINDER BLOCK HAVING A SPLIT LINE DIRECTED LONGITUDINALLY THEREOF AND EXTENDING THERETHROUGH FOR SEPARATING SAID BLOCK INTO A PLURALITY OF ELONGATED HOUSING PORTIONS, EACH OF SAID HOUSING PORTIONS INCLUDING A PAIR OF SPACED APART CYLINDER BORES ALIGNED ALONG A COMMON AXIS, A PLURALITY OF DOUBLE-ENDED PISTONS ARRANGED TO RECIPROCATE WITHIN SAID PAIRS OF ALIGNED CYLINDER BORES, CYLINDER HEADS DISPOSED ADJACENT EACH END OF SAID CYLINDER BLOCK INCLUDING INLET AND DISCHARGE PASSAAGEWAYS THEREIN FOR PROVIDING COMMUNICATION TO AND FROM SAID CYLINDER BORES, ONE OF SAID CYLINDER HEADS HAVING AN INLET AND AN OUTLET FITTING THEREON FOR DIRECTING FLUID INTO AND OUT OF SAID COMPRESSOR, ONE OF SAID HOUSING PORTIONS INCLUDING AN INLET PASSAGEWAY THERETHROUGH FOR COMMUNICATING THE INLET PASSAGEWAY IN SAID ONE OF SAID CYLINDER HEADS WITH THE INLET PASSAGEWAY IN THE OTHER OF SAID CYLINDER HEADS, SAID ONE OF SAID HOUSING PORTIONS ALSO INCLUDING A DISCHARGE PASSAGEWAY THERETHROUGH FOR COMMUNICATING THE DISCHARGE PASSAGEWAY IN SAID ONE OF SAID CYLINDER HEADS WITH THE DISCHARGE PASSAGEWAY IN THE OTHER OF SAID CYLINDER HEADS, A DRIVE SHAFT DIRECTED LONGITUDINALLY THROUGH SAID CYLINDER BLOCK HAVING THE AXIS THEREOF ARRANGED SUBSTANTIALLY PARALLEL TO
Claim 2
Dependent Claim
195 words
IN A COMPRESSOR, THE COMBINATION OF, A CYLINDER BLOCK HAVING A SPLIT LINE DIRECTED LONGITUDINALLY THEREOF AND EXTENDING THERETHROUGH FOR SEPARATING SAID BLOCK INTO A PLURALITY OF ELONGATED HOUSING PORTIONS, EACH OF SAID HOUSING PORTIONS INCLUDING A PAIR OF SPACED APART CYLINDER BORES ALIGNED ALONG A COMMON AXIS, A PLURALITY OF DOUBLE-ENDED PISTONS ARRANGED TO RECIPROCATE WITHIN SAID PAIRS OF ALIGNED CYLINDER BORES, CYLINDER HEADS DISPOSED ADJACENT EACH END OF SAID CYLINDER BLOCK INCLUDING INLET AND DISCHARGE PASSAAGEWAYS THEREIN FOR PROVIDING COMMUNICATION TO AND FROM SAID CYLINDER BORES, ONE OF SAID CYLINDER HEADS HAVING AN INLET AND AN OUTLET FITTING THEREON FOR DIRECTING FLUID INTO AND OUT OF SAID COMPRESSOR, ONE OF SAID HOUSING PORTIONS INCLUDING AN INLET PASSAGEWAY THERETHROUGH FOR COMMUNICATING THE INLET PASSAGEWAY IN SAID ONE OF SAID CYLINDER HEADS WITH THE INLET PASSAGEWAY IN THE OTHER OF SAID CYLINDER HEADS, SAID ONE OF SAID HOUSING PORTIONS ALSO INCLUDING A DISCHARGE PASSAGEWAY THERETHROUGH FOR COMMUNICATING THE DISCHARGE PASSAGEWAY IN SAID ONE OF SAID CYLINDER HEADS WITH THE DISCHARGE PASSAGEWAY IN THE OTHER OF SAID CYLINDER HEADS, A DRIVE SHAFT DIRECTED LONGITUDINALLY THROUGH SAID CYLINDER BLOCK HAVING THE AXIS THEREOF ARRANGED SUBSTANTIALLY PARALLEL TO
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |