Patent US4835709A successfully refreshed from Google Patents.
Patent US2431001A successfully refreshed from Google Patents.
US2431001A
Expired / Lapsed
US
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Coated fabric
Assignee: EIDP Inc
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Filing: 1945-04-27
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Granted: 1947-11-18
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Expires: 1965-04-27
Abstract
No abstract record available.
Inventors
- 👤 David J Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/693; Y; Y10; Y10S; Y10S36/00; Y10S36/02; Y10S524/00; Y10S524/925; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/31504; Y10T428/31826; Y10T428/3183; Y10T428/31844; Y10T428/31848; Y10T428/31855; Y10T428/31909; Y10T428/31924; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2402
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1967863A
Cited
US2029410A
Cited
US2227900A
Cited
US2302557A
Cited
US2278802A
Cited
US2395071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |