US2650170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating material, coated fabric, and process for producing it
Assignee: EIDP Inc
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Filing: 1951-01-27
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Granted: 1953-08-25
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Expires: 1971-01-27
Abstract
No abstract record available.
Inventors
- 👤 Warren T Kimball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:35
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A LIGHTWEIGHT WOVEN FABRIC IMPREGNATED ON ONE SIDE WITH A PYROXYLIN HYDROPHILIC COMPOSITION AND SIZED ON THE OPPOSITE SIDE WITH A COMPOSITION COMPRISING POLYVINYL ACETATE, STARCH AND AN INERT INORGANIC FILLER, SAID POLYVINYL ACETATE, STARCH AND FILLER BEING PRESENT IN AMOUNTS REPRESENTED BY THE POLYGON FGHIJ OF THE ATTACHED FIGURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |