Patent US3109684A successfully refreshed from Google Patents.
US3109684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication arrangement for dynamoelectric machines
Assignee: General Electric Co
•
Filing: 1961-09-18
•
Granted: 1963-11-05
•
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 15:29
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
References Cited (Backward Citations)
US2035519A
Cited
US2153397A
Cited
US2233104A
Cited
US2232788A
Cited
US2223872A
Cited
US2300118A
Cited
US2571868A
Cited
US2855249A
Cited
GB750060A
Cited
US2948355A
Cited
US3013847A
Cited
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 |