Patent US2955958A successfully refreshed from Google Patents.
US2955958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating woven textile fabric with a vinyl chloride polymer
Assignee: Individual
•
Filing: 1956-03-05
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Granted: 1960-10-11
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Expires: 1976-03-05
Abstract
No abstract record available.
Inventors
- 👤 Nathan J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:34
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/244; D06M15/327; D06M15/333
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
A PROCESS OF TREATING WOVEN TEXTILE FABRICS WHICH COMPRISES IMMERSING SAID FABRIC FOR A PERIOD OF ONLY BETWEEN 2 AND 5 SECONDS IN A SOLUTION HEATED TO BETWEEN 120* AND 150*F., SAID SOLUTION CONTAINING POLYVINYL CHLORIDE, A VOLATILE SOLVENT FOR SAID POLYVINYL CHLORIDE AND A PLASTICIZER WHEREBY WHEN SAID FABRIC IS IMMERSED IN SAID HEATED SOLUTION, THE SAID SOLUTION PENETRATES THE INTERSTICS BETWEEN THE FABRIC FIBERS BUT DOES NOT IMPREGNATE SAID FIBRES, THEREAFTER HEATING THE SAID TREATED FABRIC TO A TEMPERATURE BETWEEN 140* AND 160*F. TO VOLATILIZE THE VOLATILE CONSITTUENTS OF THE SOLUTION ON SAID FABRIC TO FORM THE DESIRED PRODUCT.
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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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |