Patent US3241492A successfully refreshed from Google Patents.
US3241492A
Expired / Lapsed
US
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Breathing attachment for use during shipment of oil filled submergible motor and pump assemblies
Assignee: Reda Pump Co
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Filing: 1964-05-19
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Granted: 1966-03-22
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Arutunoff Armais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:30
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D13/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN COMBINATION WITH AN OIL FILLED SUBMERGIBLE MOTOR AND PUMP ASSEMBLY OF SUPERPOSED, CYLINDRICAL HOUSED UNITS HAVING A BREATHING VENT COMMUNICATING WITH THE OIL FILLED INTERIOR OF SAID ASSEMBLY; MEANS FOR PROTECTING SAID OIL FILLED ASSEMBLY PRIOR TO INSTALLATION, AGAINST DAMAGE RESULTING FROM EXPANSION OF THE OIL CONTAINED THEREIN DUE TO TEMPERATURE INCREASE WHILE PREVENTING LOSS OF SAID OIL, SAID MEANS COMPRISING AN EXPANDIBLE BREATHING BAG, DETACHABLE MEANS FOR SECURING SAID BAG ALONGSIDE THE OUTER WALL OF THE HOUSING OF ONE UNIT OF SAID ASSEMBLY, AND TUBULAR MEANS DETACHABLY CONNECTING THE INTERIOR OF SAID BAG TO SAID BREATHING VENT, WHEREBY OIL EXPELLED FROM SAID ASSEMBLY DURING EXPANSION IS RECEIVED BY SAID BAG AND RETURNED THEREFROM UPON CONTRACTION.
Claim 2
Dependent Claim
117 words
IN COMBINATION WITH AN OIL FILLED SUBMERGIBLE MOTOR AND PUMP ASSEMBLY OF SUPERPOSED, CYLINDRICAL HOUSED UNITS HAVING A BREATHING VENT COMMUNICATING WITH THE OIL FILLED INTERIOR OF SAID ASSEMBLY; MEANS FOR PROTECTING SAID OIL FILLED ASSEMBLY PRIOR TO INSTALLATION, AGAINST DAMAGE RESULTING FROM EXPANSION OF THE OIL CONTAINED THEREIN DUE TO TEMPERATURE INCREASE WHILE PREVENTING LOSS OF SAID OIL, SAID MEANS COMPRISING AN EXPANDIBLE BREATHING BAG, DETACHABLE MEANS FOR SECURING SAID BAG ALONGSIDE THE OUTER WALL OF THE HOUSING OF ONE UNIT OF SAID ASSEMBLY, AND TUBULAR MEANS DETACHABLY CONNECTING THE INTERIOR OF SAID BAG TO SAID BREATHING VENT, WHEREBY OIL EXPELLED FROM SAID ASSEMBLY DURING EXPANSION IS RECEIVED BY SAID BAG AND RETURNED THEREFROM UPON CONTRACTION.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |