US3109684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication arrangement for dynamoelectric machines
Assignee: General Electric Co
•
Filing: 1961-09-18
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Granted: 1963-11-05
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Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Myron D Tupper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:42
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16N; F16N7/00; F16N7/12; H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1672; F16C2380/00; F16C2380/26; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/902
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
IN A MACHINE HAVING A HOUSING, AT LEAST ONE SLEEVE TYPE BEARING MOUNTED IN SAID HOUSING AND FORMED WITH AN OUTER SURFACE AND A BORE DEFINING AN INNER JOURNALING SURFACE, A SHAFT ROTATABLY SUPPORTED BY SAID INNER JOURNALING SURFACE, A LUBRICANT RESERVOIR HAVING LUBRICANT RETAINING MEANS IN COMMUNICATION WITH SAID OUTER BEARING SURFACE, SAID BEARING COMPRISING A LUBRICANT FLOW-REGULATING BODY OF SINTERED POWDERED METAL MATERIAL HAVING A TOTAL PERMEABILITY, PER INCH OF BEARING BORE DIAMETER, IN THE RANGE OF 0.08 TO 12 CC./MIN./P.S.I. FOR FEEDING LUBRICANT BY CAPILLARY ACTION FROM SAID RESERVOIR TO SAID INNER JOURNALING SURFACE AT A PREDETERMINED RATE APPROXIMATELY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |