US3110170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cleaner filteration arrangement
Assignee: Motors Liquidation Co
•
Filing: 1961-06-28
•
Granted: 1963-11-12
•
Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 George B Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:34
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/081; D06F43/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A DRY CLEANER COMPRISING A VERTICAL SPIN TUB FOR CONTAINING A SOLVENT AND HAVING A TOP OPENING AND A PLURALITY OF CIRCUMFERENTIALLY ARRANGED OUTFLOW PORTS, A SUMP FOR STORING SAID SOLVENT AND HAVING MEANS IN COMMUNICATION WITH SAID OUTFLOW PORTS, MEANS FOR SELECTIVELY ROTATING SAID SPIN TUB TO RETURN SAID SOLVENT FROM SAID TUB TO SAID SUMP, A FILTER FOR CLEANING SAID SOLVENT AND HAVING AN INLET AND AN OUTLET BELOW SAID TOP OPENING, SAID FILTER ENCLOSING A REPLACEABLE FILTER CARTRIDGE, SOLVENT CIRCULATING MEANS IN COMMUNICATION WITH SAID SUMP AND HAVING AN OUTLET CONDUIT UPWARDLY SLOPINGLY CONNECTED TO SAID FILTER INLET, SAID FILTER HAVING A HEATER FOR SELECTIVELY VAPORIZING THE SOLVENT FROM SAID CARTRIDGE, A THREEWAY VALVE MEANS HAVING A VALVE INLET CONNECTED TO SAID FILTER OUTLET AND FIRST AND SECOND VALVE OUTLETS, A SUPPLY CONDUIT CONNECTING SAID FIRST VALVE OUTLET TO THE TOP OPENING OF SAID TUB, A BY-PASS CONDUIT CONNECTING SAID SECOND VALVE OUTLET TO SAID SUMP, SOLENOID MEANS FOR CONTROLLING SAID VALVE MEANS IN A FIRST MANNER WHEN ENER-
Claim 2
Dependent Claim
172 words
A DRY CLEANER COMPRISING A VERTICAL SPIN TUB FOR CONTAINING A SOLVENT AND HAVING A TOP OPENING AND A PLURALITY OF CIRCUMFERENTIALLY ARRANGED OUTFLOW PORTS, A SUMP FOR STORING SAID SOLVENT AND HAVING MEANS IN COMMUNICATION WITH SAID OUTFLOW PORTS, MEANS FOR SELECTIVELY ROTATING SAID SPIN TUB TO RETURN SAID SOLVENT FROM SAID TUB TO SAID SUMP, A FILTER FOR CLEANING SAID SOLVENT AND HAVING AN INLET AND AN OUTLET BELOW SAID TOP OPENING, SAID FILTER ENCLOSING A REPLACEABLE FILTER CARTRIDGE, SOLVENT CIRCULATING MEANS IN COMMUNICATION WITH SAID SUMP AND HAVING AN OUTLET CONDUIT UPWARDLY SLOPINGLY CONNECTED TO SAID FILTER INLET, SAID FILTER HAVING A HEATER FOR SELECTIVELY VAPORIZING THE SOLVENT FROM SAID CARTRIDGE, A THREEWAY VALVE MEANS HAVING A VALVE INLET CONNECTED TO SAID FILTER OUTLET AND FIRST AND SECOND VALVE OUTLETS, A SUPPLY CONDUIT CONNECTING SAID FIRST VALVE OUTLET TO THE TOP OPENING OF SAID TUB, A BY-PASS CONDUIT CONNECTING SAID SECOND VALVE OUTLET TO SAID SUMP, SOLENOID MEANS FOR CONTROLLING SAID VALVE MEANS IN A FIRST MANNER WHEN ENER-
References Cited (Backward Citations)
US1602705A
Cited
US1917096A
Cited
US2101014A
Cited
US2301803A
Cited
US2630694A
Cited
US2601404A
Cited
US2902158A
Cited
US2932961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |