US3728074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the cleansing of garments and textiles
Assignee: Research Development Co
•
Filing: 1961-06-13
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Granted: 1973-04-17
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Expires: 1981-06-13
Abstract
Abstract A PROCESS OF DRYING CLEANING TEXTILES AND GARMENT MATERIALS WITH COMPOSITIONS INCLUDING 1,1,2/TRICHLORO-1,2,2TRIFLUOROETHANE, TRICHLOROMONOFLUOROMETHANE, AND METHYL CHLOROFORM, WHEREIN THE MATERIALS ARE WASHED AND DRIED AT LOW TEMPERATURE, TOGETHER WITH STEPS OR PROCEDURES FOR THE ECONOMICAL HANDLING AND RECOVERY OF SOLVENT.
Inventors
- 👤 I Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:40
CPC Classifications
D; D06; D06L; D06L1/00; D06L1/02; D06L1/04; D06F; D06F43/00; D06F43/007; D06F43/08; D06L1/08
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |