US3324970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained viscous pump lubrication system
Assignee: General Electric Co
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Filing: 1964-06-26
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Granted: 1967-06-13
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 James D Mchugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:15
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/14; F16N7/16; F16N7/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
90 words
A VISCOUS DRAG PUMP COMPRISING: A STATIONARY MEMBER HAVING INTERIOR FACES WITH CHANNELS THEREIN FOR THE TRANSMISSION OF A LUBRICANT WITH AN ENTRANCE AND EXIT ORIFICE FORMING PASSAGEWAYS IN SAID MEMBER FROM SAID CHANNEL TO THE EXTERIOR OF SAID MEMBER AT OPPOSITE ENDS OF EACH CHANNEL WHEREBY THE CHANNELS ARE ADAPTED TO BE CONNECTED IN PARALLEL OR IN SERIES WITH EACH OTHER, AND A ROTATING MEMBER, INTERPOSED BETWEEN SAID INTERIOR FACES OF SAID STATIONARY MEMBER AND HAVING FACES IN JUXTAPOSITIN WITH SAID CHANNELS FOR PRESSURIZING THE LUBRICANT IN SAID CHANNELS.
Claim 2
Dependent Claim
90 words
A VISCOUS DRAG PUMP COMPRISING: A STATIONARY MEMBER HAVING INTERIOR FACES WITH CHANNELS THEREIN FOR THE TRANSMISSION OF A LUBRICANT WITH AN ENTRANCE AND EXIT ORIFICE FORMING PASSAGEWAYS IN SAID MEMBER FROM SAID CHANNEL TO THE EXTERIOR OF SAID MEMBER AT OPPOSITE ENDS OF EACH CHANNEL WHEREBY THE CHANNELS ARE ADAPTED TO BE CONNECTED IN PARALLEL OR IN SERIES WITH EACH OTHER, AND A ROTATING MEMBER, INTERPOSED BETWEEN SAID INTERIOR FACES OF SAID STATIONARY MEMBER AND HAVING FACES IN JUXTAPOSITIN WITH SAID CHANNELS FOR PRESSURIZING THE LUBRICANT IN SAID CHANNELS.
Claim 3
Dependent Claim
32 words
A COMBINATION LUBRICATION PUMP AND BEARING COMPRISING: A STATIONARY MEMBER HAVING A PAIR OF INTERIOR FACES EACH HAVING A LUBRICANT PUMPING CHANNEL THEREIN WITH AN ENTRANCE AND EXIT ORIFICE THERETO LOCATED AT
Claim 4
Dependent Claim
32 words
A COMBINATION LUBRICATION PUMP AND BEARING COMPRISING: A STATIONARY MEMBER HAVING A PAIR OF INTERIOR FACES EACH HAVING A LUBRICANT PUMPING CHANNEL THEREIN WITH AN ENTRANCE AND EXIT ORIFICE THERETO LOCATED AT
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |