US3650672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric treatment processes
Assignee: FRANCIS H SWAYN
•
Filing: 1968-11-27
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Granted: 1972-03-21
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Expires: 1988-11-27
Abstract
Abstract Fabric is treated with a detergent solution and then dried to form a pliable protective coating of detergent on the fabric. The treated fabric is subsequently washed after use simply by rinsing in water, when the detergent coating, which may incorporate chemical agitators, is activated to wash the fabric. A fresh detergent coating can then be applied to the clean fabric.
Inventors
- 👤 Francis H Swayn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
D; D06; D06F; D06F31/00; B; B65; B65C; B65C9/00; B65C9/08; B65C9/18; B65C9/1865; B65C9/1869; D06L; D06L1/00; D06L1/12; D06M; D06M13/00; D06M13/10; D06M13/165; D06M13/17; D06M15/00; D06M15/19; D06M15/37; D06M15/53
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A process according to claim 1 wherein said pliable protective surface coating of detergent is formed initially on the fabric article by applying a solution in water of the said nonionic detergent to the fabric and subsequently drying the fabric to leave the detergent as a pliable protective coating thereon.
References Cited (Backward Citations)
US3121249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |