US3108839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic device for removing tight bearings
Assignee: Individual
•
Filing: 1961-01-30
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Granted: 1963-10-29
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Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Louis W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:37
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/078; B; B21; B21B; B21B31/00; B21B31/07; F16C35/062; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49698; Y10T29/49805
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
IN COMBINATION; A TUBULAR HOUSING; A SHAFT HAVING AT LEAST A PORTION IN SAID HOUSING; A BEARING BETWEEN SAID PORTION AND SAID HOUSING; MEANS FOR CONDUCTING A FLUID LUBRICANT TO SAID BEARING; MEANS ADJACENT ONE SIDE OF SAID BEARING FOR PREVENTING ESCAPE OF FLUID ONE WAY FROM SAID BEARING; AN ANNULAR FLINGER AT THE OTHER SIDE OF SAID BEARING SURROUNDING SAID SHAFT AND TENDING TO CONFINE THE FLUID LUBRICANT FROM PASSAGE THE OTHER WAY FROM SAID BEARING; MEANS ON SAID SHAFT PROVIDING A SHOULDER FACING TOWARD SAID BEARING; SAID ANNULAR FLINGER BRIDGING SAID SHOULDER; AND MEANS FOR CONDUCTING FLOWABLE MATERIAL TO SAID SHOULDER TO CAUSE AXIAL MOVEMENT OF SAID FLINGER TO AID IN REMOVAL OF SAID BEARING.
References Cited (Backward Citations)
US2565759A
Cited
US2946610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |