US2773288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile cot
Assignee: Dayton Rubber Co
•
Filing: 1952-02-09
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Granted: 1956-12-11
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Expires: 1972-02-09
Abstract
No abstract record available.
Inventors
- 👤 Rockoff Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:42
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/74; D01H5/80; D01H2700/00; D01H2700/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A TEXTILE FIBER DRAFTING COT HAVING A WORKING SURFACE MADE OF AN OIL-RESISTANT SYNTHETIC RUBBER-LIKE MATERIAL AS THE ESSENTIAL CONSTITUENT AND HAVING INTIMATELY INCORPORATED THEREWITH DISCRETE PARTICLES OF POLYVINYL ALCOHOL TO EFFECT MODIFICATION OF THE DRAFTING PROPERTIES THEREOF, THE PARTICLES WHICH ARE EXPOSED AT THE SURFACE OF THE COT BEGIN MINUTELY SWOLLEN BY THE ABSORPTION OF MOISTURE TO PROVIDE A FIBER-WORKING SURFACE HAVING SUCH SWOLLEN PARTICLES EMBEDDED IN THE OIL-RESISTANT RUBBERLIKE MATERIAL.
Claim 2
Dependent Claim
72 words
A TEXTILE FIBER DRAFTING COT HAVING A WORKING SURFACE MADE OF AN OIL-RESISTANT SYNTHETIC RUBBER-LIKE MATERIAL AS THE ESSENTIAL CONSTITUENT AND HAVING INTIMATELY INCORPORATED THEREWITH DISCRETE PARTICLES OF POLYVINYL ALCOHOL TO EFFECT MODIFICATION OF THE DRAFTING PROPERTIES THEREOF, THE PARTICLES WHICH ARE EXPOSED AT THE SURFACE OF THE COT BEGIN MINUTELY SWOLLEN BY THE ABSORPTION OF MOISTURE TO PROVIDE A FIBER-WORKING SURFACE HAVING SUCH SWOLLEN PARTICLES EMBEDDED IN THE OIL-RESISTANT RUBBERLIKE MATERIAL.
References Cited (Backward Citations)
US2012223A
Cited
GB511489A
Cited
US2304656A
Cited
US2386583A
Cited
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Cited
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Cited
GB643764A
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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) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |