US3295753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1965-01-04
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Granted: 1967-01-03
•
Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 Mervin R Butts
- 👤 Marion K Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:53
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/0094; F04B39/02; F04B39/0223; F04B39/023; F04B39/0238; F04B39/0246; F25; F25B; F25B31/00; F25B31/02; F25B31/026; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN A REFRIGERATION COMPRESSOR, THE COMBINATION OF, A HERMETICALLY SEALED SHELL INCLUDING A LOWER LIQUID SUMP REGION AND AN UPPER GAS SPACE, A COMPRESSOR INCLUDING AN OUTER HOUSING WHOLLY LOCATED WITHIN SAID GAS SPACE IN SPACED RELATIONSHIP TO SAID SHELL WHEREBY SAID GAS SPACE SERVES TO MUFFLE NOISES FROM SAID COMPRESSOR, MOTOR MEANS FOR DRIVING SAID COMPRESSOR INCLUDING A STATOR AND A ROTOR LOCATED ABOVE SAID LIQUID SUMP REGION AT A POINT SPACED INWARDLY OF SAID SHELL AND BETWEEN SAID SUMP REGION AND SAID COMPRESSOR, A SHAFT HAVING A PORTION THEREOF ROTATABLY SUPPORTED BY SAID COMPRESSOR HOUSING AND A PORTION THEREOF SECURED TO SAID ROTOR FOR DRIVING SAID COMPRESSOR UPON ENERGIZATION OF SAID MOTOR MEANS, SAID SHAFT HAVING AN EXTENSION THEREON LOCATED ON THE UPPER SIDE OF SAID COMPRESSOR HOUSING, A THRUST ELEMENT SECURED TO SAID SHAFT EXTENSION, SAID THRUST ELEMENT HAVING A PORTION THEREON ENGAGING SAID COMPRESSOR HOUSING FOR SUSPENDING SAID SHAFT THEREFROM, MEANS FOR RESILIENTLY SUPPORTING SAID COMPRESSOR HOUSING ON SAID SHELL, AND LUBRICANT SUPPLY MEANS FOR DIRECTING LIQUID FROM SAID SUMP REGION UPWARDLY THROUGH SAID SHAFT AGAINST SAID THRUST ELE-
Claim 2
Dependent Claim
183 words
IN A REFRIGERATION COMPRESSOR, THE COMBINATION OF, A HERMETICALLY SEALED SHELL INCLUDING A LOWER LIQUID SUMP REGION AND AN UPPER GAS SPACE, A COMPRESSOR INCLUDING AN OUTER HOUSING WHOLLY LOCATED WITHIN SAID GAS SPACE IN SPACED RELATIONSHIP TO SAID SHELL WHEREBY SAID GAS SPACE SERVES TO MUFFLE NOISES FROM SAID COMPRESSOR, MOTOR MEANS FOR DRIVING SAID COMPRESSOR INCLUDING A STATOR AND A ROTOR LOCATED ABOVE SAID LIQUID SUMP REGION AT A POINT SPACED INWARDLY OF SAID SHELL AND BETWEEN SAID SUMP REGION AND SAID COMPRESSOR, A SHAFT HAVING A PORTION THEREOF ROTATABLY SUPPORTED BY SAID COMPRESSOR HOUSING AND A PORTION THEREOF SECURED TO SAID ROTOR FOR DRIVING SAID COMPRESSOR UPON ENERGIZATION OF SAID MOTOR MEANS, SAID SHAFT HAVING AN EXTENSION THEREON LOCATED ON THE UPPER SIDE OF SAID COMPRESSOR HOUSING, A THRUST ELEMENT SECURED TO SAID SHAFT EXTENSION, SAID THRUST ELEMENT HAVING A PORTION THEREON ENGAGING SAID COMPRESSOR HOUSING FOR SUSPENDING SAID SHAFT THEREFROM, MEANS FOR RESILIENTLY SUPPORTING SAID COMPRESSOR HOUSING ON SAID SHELL, AND LUBRICANT SUPPLY MEANS FOR DIRECTING LIQUID FROM SAID SUMP REGION UPWARDLY THROUGH SAID SHAFT AGAINST SAID THRUST ELE-
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |