US3089325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cleaning system
Assignee: Robbins Co
•
Filing: 1959-12-10
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Granted: 1963-05-14
•
Expires: 1979-12-10
Abstract
No abstract record available.
Inventors
- 👤 James D Robbins
- 👤 Richard A Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:53
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/081; D06F43/085; B; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/50; B01D29/52; B01D29/62; B01D29/66; B01D37/00; B01D37/02; B01D2201/00; B01D2201/04; B01D2201/0461
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A MULTI-UNIT DRY CLEANING SYSTEM, COMPRISING: A PLURALITY OF CLEANING UNITS, EACH UNIT HAVING A CLEANING TANK FOR CONTAINING A FLUID DRY-CLEANING MEDIUM, MEANS FOR AGITATING CLOTHES IN THE FLUID MEDIUM IN SAID TANK, AN INLET MEANS FOR FLOWING A FLUID MEDIUM INTO SAID TANK, AN OUTLET MEANS FOR DISCHARGING A FLUID MEDIUM FROM SAID TANK; A DRY CLEANING SOLVENT STORAGE TANK MEANS WITH AN INLET MEANS; A FILTER COMMUNICATING WITH SAID SOLVENT TANK MEANS; A FIRST SUPPLY CONDUIT LEADING FROM SAID FILTER; MEANS FOR C2RCULATING SOLVENT FROM SAID SOLVENT TANK MEANS THROUGH SAID FILTER AND SAID FIRST SUPPLY CONDUIT; A MANIFOLD CONNECTED TO SAID FIRST SUPPLY CONDUIT; A PLURALITY OF SECOND SUPPLY CONDUITS CONNECTED TO SAID MANIFOLD; ONE OF SAID SECOND SUPPLY CONDUITS CONNECTED TO SAID INLET MEANS OF EACH OF SAID CLEANING UNITS; A RETURN CONDUIT CONNECTED TO EACH OF SAID SECOND SUPPLY CONDUITS AND JOINING THEM TO SAID SOLVENT TANK MEANS; A VALVE MEANS POSITIONED IN SAID RETURN CONDUITS FOR SELECTIVELY DIRECTING SOLVENT FROM SAID SECOND SUPPLY CONDUITS TO SAID SOLVENT TANK MEANS OR SAID INLET MEANS OF SAID CLEANING UNITS; AND COUPLING MEANS FOR CONNECTING SAID INLET MEANS OF SAID SOLVENT TANK MEANS TO SAID OUTLET MEANS OF SAID CLEANING UNITS WHEREBY EACH OF SAID CLEANING UNITS MAY SELECTIVELY OPERATE AS A DRY CLEANING UNIT.
Claim 2
Dependent Claim
219 words
A MULTI-UNIT DRY CLEANING SYSTEM, COMPRISING: A PLURALITY OF CLEANING UNITS, EACH UNIT HAVING A CLEANING TANK FOR CONTAINING A FLUID DRY-CLEANING MEDIUM, MEANS FOR AGITATING CLOTHES IN THE FLUID MEDIUM IN SAID TANK, AN INLET MEANS FOR FLOWING A FLUID MEDIUM INTO SAID TANK, AN OUTLET MEANS FOR DISCHARGING A FLUID MEDIUM FROM SAID TANK; A DRY CLEANING SOLVENT STORAGE TANK MEANS WITH AN INLET MEANS; A FILTER COMMUNICATING WITH SAID SOLVENT TANK MEANS; A FIRST SUPPLY CONDUIT LEADING FROM SAID FILTER; MEANS FOR C2RCULATING SOLVENT FROM SAID SOLVENT TANK MEANS THROUGH SAID FILTER AND SAID FIRST SUPPLY CONDUIT; A MANIFOLD CONNECTED TO SAID FIRST SUPPLY CONDUIT; A PLURALITY OF SECOND SUPPLY CONDUITS CONNECTED TO SAID MANIFOLD; ONE OF SAID SECOND SUPPLY CONDUITS CONNECTED TO SAID INLET MEANS OF EACH OF SAID CLEANING UNITS; A RETURN CONDUIT CONNECTED TO EACH OF SAID SECOND SUPPLY CONDUITS AND JOINING THEM TO SAID SOLVENT TANK MEANS; A VALVE MEANS POSITIONED IN SAID RETURN CONDUITS FOR SELECTIVELY DIRECTING SOLVENT FROM SAID SECOND SUPPLY CONDUITS TO SAID SOLVENT TANK MEANS OR SAID INLET MEANS OF SAID CLEANING UNITS; AND COUPLING MEANS FOR CONNECTING SAID INLET MEANS OF SAID SOLVENT TANK MEANS TO SAID OUTLET MEANS OF SAID CLEANING UNITS WHEREBY EACH OF SAID CLEANING UNITS MAY SELECTIVELY OPERATE AS A DRY CLEANING UNIT.
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |