Patent US3156248A successfully refreshed from Google Patents.
US3156248A
Expired / Lapsed
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Cleaning apparatus
Assignee: Dow Chemical Co
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Filing: 1962-03-20
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Granted: 1964-11-10
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Expires: 1982-03-20
Abstract
No abstract record available.
Inventors
- 👤 Rand Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:01
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A MACHINE FOR WASHING BEARINGS AND THE LIKE COMPRISING A TUB MEMBER OF A SEMI-CYLINDRICAL SHAPE ADAPTED TO HAVE A CLEANING LIQUID PLACED THEREIN, A HOUSING ENCLOSING SAID TUB MEMBER, SAID HOUSING HAVING FEEDING AND DISCHARGING MEANS, SAID TUB MEMBER HAVING AT LEAST ONE PERFORATION THEREIN, SAID HOUSING BEING CONSTRUCTED AND ARRANGED TO RECEIVE LIQUIDS DISCHARGED THEREINTO FROM SAID PERFORATION, MEANS TO CONTINUOUSLY MAINTAIN A BODY OF LIQUID IN THE TUB, A PLURALITY OF ANGULARLY DISPOSED ROTATABLY MOUNTED PADDLES ABOVE SAID TUB MEMBER, EACH PADDLE HAVING A TIP DISPOSED AT AN ANGLE WITH RESPECT TO THE REMAINDER OF EACH PADDLE AND A RADIUS OF THE TUB MEMBER, SAID REMAINDER OF EACH PADDLE BEING GENERALLY PERPENDICULAR TO THE AXIS OF ROTATION OF SAID PADDLE, MEANS MAINTAINING THE ANGULAR RELATIONSHIP OF THE PADDLES AND THEIR TIPS CONSTANT, AND MEANS FOR ROTATING SAID PADDLES TO FACILITATE MOVEMENT OF THE ELEMENTS TO BE CLEANED FROM THE FEEDING TO THE DISCHARGING MEANS, SAID MEANS ROTATING SAID PADDLES IN A DIRECTION SUCH THAT EACH TIP IS ANGLED AWAY FROM THE DIRECTION OF ROTATION OF SAID PADDLE.
Claim 2
Dependent Claim
180 words
A MACHINE FOR WASHING BEARINGS AND THE LIKE COMPRISING A TUB MEMBER OF A SEMI-CYLINDRICAL SHAPE ADAPTED TO HAVE A CLEANING LIQUID PLACED THEREIN, A HOUSING ENCLOSING SAID TUB MEMBER, SAID HOUSING HAVING FEEDING AND DISCHARGING MEANS, SAID TUB MEMBER HAVING AT LEAST ONE PERFORATION THEREIN, SAID HOUSING BEING CONSTRUCTED AND ARRANGED TO RECEIVE LIQUIDS DISCHARGED THEREINTO FROM SAID PERFORATION, MEANS TO CONTINUOUSLY MAINTAIN A BODY OF LIQUID IN THE TUB, A PLURALITY OF ANGULARLY DISPOSED ROTATABLY MOUNTED PADDLES ABOVE SAID TUB MEMBER, EACH PADDLE HAVING A TIP DISPOSED AT AN ANGLE WITH RESPECT TO THE REMAINDER OF EACH PADDLE AND A RADIUS OF THE TUB MEMBER, SAID REMAINDER OF EACH PADDLE BEING GENERALLY PERPENDICULAR TO THE AXIS OF ROTATION OF SAID PADDLE, MEANS MAINTAINING THE ANGULAR RELATIONSHIP OF THE PADDLES AND THEIR TIPS CONSTANT, AND MEANS FOR ROTATING SAID PADDLES TO FACILITATE MOVEMENT OF THE ELEMENTS TO BE CLEANED FROM THE FEEDING TO THE DISCHARGING MEANS, SAID MEANS ROTATING SAID PADDLES IN A DIRECTION SUCH THAT EACH TIP IS ANGLED AWAY FROM THE DIRECTION OF ROTATION OF SAID PADDLE.
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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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |