US2390780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making coated textile materials and the articles produced therefrom
Assignee: Sylvania Industrial Corp
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Filing: 1943-10-02
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Granted: 1945-12-11
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Expires: 1963-10-02
Abstract
No abstract record available.
Inventors
- 👤 Ralph T K Cornwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:56
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/80; D21H19/82; D21H19/824; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/07; D06M15/09; D06M15/17; D06M15/19; D06M15/37; D06M15/39; D06M15/41; D06M15/423; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/25; D21H19/10; D21H19/14; D21H19/18; D21H19/20; D21H19/24; D21H19/34; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/3179; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31942; Y10T428/31949; Y10T428/31953; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T442/00; Y10T442/20; Y10T442/2033; Y10T442/2041; Y10T442/2098; Y10T442/2213
Claims Analysis
Total Claims: 0
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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) | 1948-12-10 | 1949-06-11 | 1949-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-10 | 1953-06-11 | 1953-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-10 | 1957-06-11 | 1957-12-11 | $7700.00 | Window Closed / Lapsed |