Patent US3156248A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3156248A Expired / Lapsed US ⏱️ 0.0 years remaining

Cleaning apparatus

Assignee: Dow Chemical Co
•
Filing: 1962-03-20
•
Granted: 1964-11-10
•
Expires: 1982-03-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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.

References Cited (Backward Citations)

US790580A Cited
US829547A Cited
US1716165A Cited
US1905968A Cited
US2028759A Cited
US2238690A Cited
US2290286A Cited
US3022202A Cited
US2996741A Cited
US3019800A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag