US3232681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing
Assignee: Licentia Patent Verwaltungs GmbH
•
Filing: 1961-12-18
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Granted: 1966-02-01
•
Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 Mittmann Rudolf
- 👤 Janssen Hans-Joachim
- 👤 Frohmuller Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:48
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C33/00; F16C33/72; F16C33/74; F16C2380/00; F16C2380/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A BEARING ARRANGEMENT FOR SMALL ELECTRIC MOTORS AND THE LIKE, COMPRISING, IN COMBINATION: (A) VERTICALLY DISPOSED ROTOR MEANS INCLUDING A SHAFT; (B) A BEARING ASSEMBLY ON EACH SIDE OF SAID ROTOR MEANS AND ROTATABLY ACCOMMODATING SAID SHAFT, EACH BEARING ASSEMBLY INCLUDING (1) A BEARING BODY OF SINTERED MATERIAL, (2) MEANS SEALING THE END SURFACES OF SAID BEARING TO SEAL THE ENDS OF THE BEARING AGAINST THE ESCAPE OF OIL, SAID MEANS INCLUDING A SOFT ELASTIC ANNULAR DISK PRESSED AGAINST THE ROTOR FACING END SURFACE OF SAID BEARING, AND (3) A GUARD PLATE INTERPOSED BETWEEN SAID ROTOR MEANS AND THE DISK OF THE LOWER BEARING ASSEMBLY WITH AT LEAST A PORTION OF THE WEIGHT OF SAID ROTOR PRESSING AGAINST SAID DISK VIA SAID GUARD PLATE.
Claim 2
Dependent Claim
124 words
A BEARING ARRANGEMENT FOR SMALL ELECTRIC MOTORS AND THE LIKE, COMPRISING, IN COMBINATION: (A) VERTICALLY DISPOSED ROTOR MEANS INCLUDING A SHAFT; (B) A BEARING ASSEMBLY ON EACH SIDE OF SAID ROTOR MEANS AND ROTATABLY ACCOMMODATING SAID SHAFT, EACH BEARING ASSEMBLY INCLUDING (1) A BEARING BODY OF SINTERED MATERIAL, (2) MEANS SEALING THE END SURFACES OF SAID BEARING TO SEAL THE ENDS OF THE BEARING AGAINST THE ESCAPE OF OIL, SAID MEANS INCLUDING A SOFT ELASTIC ANNULAR DISK PRESSED AGAINST THE ROTOR FACING END SURFACE OF SAID BEARING, AND (3) A GUARD PLATE INTERPOSED BETWEEN SAID ROTOR MEANS AND THE DISK OF THE LOWER BEARING ASSEMBLY WITH AT LEAST A PORTION OF THE WEIGHT OF SAID ROTOR PRESSING AGAINST SAID DISK VIA SAID GUARD PLATE.
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |