US3323336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying system for dry cleaning apparatus
Assignee: McGraw Edison Co
•
Filing: 1965-05-07
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Granted: 1967-06-06
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Expires: 1985-05-07
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Johnson
- 👤 Albanis P Mccandlish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:22
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A DRY CLEANING APPARATUS WHEREIN A DRY CLEANING FLUID IS CIRCULATED THROUGH OR ACROSS THE OBJECTS BEING CLEANED: THE COMBINATION OF A PLURALITY OF DRYING UNITS COMPRISING A WASHER-EXTRACTOR-DRYER AND AT LEAST ANOTHER WASHER-EXTRACTOR-DRYER OR DRYING TUMBLER, EACH OF SAID DRYING UNITS INCLUDING A ROTATABLE PERFORATED CYLINDER AND AN ENCLOSING CASING, A SINGLE RECLAMATION HEAD INCLUDING A COOLER, A HEATER, AND A FLUID DUCT SYSTEM BETWEEN SAID CASINGS AND RECLAMATION HEAD INCLUDING A BLOWER AND DAMPER CONTROLS SELECTIVELY OPERABLE TO CIRCULATE AIR IN A CLOSED CIRCUIT THROUGH ANY SELECTED NUMBER OF SAID CASINGS AT ANY ONE TIME VIA SAID COOLER AND HEATER IN SEQUENCE, SAID DAMPER CONTROLS BEING OF A DIAPHRAGM TYPE OPERABLE BY PRESSURE INTO CLOSED POSITION AND BY SUCTION INTO OPEN POSITION, MEANS INCLUDING A RESERVOIR FOR COLLECTING THE VAPOR CONDENSED FROM THE AIR IN SAID CLOSED CIRCUIT AS THE AIR PASSES SAID COOLER, AND A VALVE SYSTEM FOR SELECTIVELY APPLYING AIR PRESSURE FROM THE OUTLET SIDE OF SAID BLOWER
Claim 2
Dependent Claim
163 words
IN A DRY CLEANING APPARATUS WHEREIN A DRY CLEANING FLUID IS CIRCULATED THROUGH OR ACROSS THE OBJECTS BEING CLEANED: THE COMBINATION OF A PLURALITY OF DRYING UNITS COMPRISING A WASHER-EXTRACTOR-DRYER AND AT LEAST ANOTHER WASHER-EXTRACTOR-DRYER OR DRYING TUMBLER, EACH OF SAID DRYING UNITS INCLUDING A ROTATABLE PERFORATED CYLINDER AND AN ENCLOSING CASING, A SINGLE RECLAMATION HEAD INCLUDING A COOLER, A HEATER, AND A FLUID DUCT SYSTEM BETWEEN SAID CASINGS AND RECLAMATION HEAD INCLUDING A BLOWER AND DAMPER CONTROLS SELECTIVELY OPERABLE TO CIRCULATE AIR IN A CLOSED CIRCUIT THROUGH ANY SELECTED NUMBER OF SAID CASINGS AT ANY ONE TIME VIA SAID COOLER AND HEATER IN SEQUENCE, SAID DAMPER CONTROLS BEING OF A DIAPHRAGM TYPE OPERABLE BY PRESSURE INTO CLOSED POSITION AND BY SUCTION INTO OPEN POSITION, MEANS INCLUDING A RESERVOIR FOR COLLECTING THE VAPOR CONDENSED FROM THE AIR IN SAID CLOSED CIRCUIT AS THE AIR PASSES SAID COOLER, AND A VALVE SYSTEM FOR SELECTIVELY APPLYING AIR PRESSURE FROM THE OUTLET SIDE OF SAID BLOWER
References Cited (Backward Citations)
US2114776A
Cited
US2146622A
Cited
FR1078012A
Cited
GB847809A
Cited
FR1240375A
Cited
US3134652A
Cited
US3206950A
Cited
US3246493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |