US2919485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite fabrics and the manufacture thereof
Assignee: National Research Development Corp UK
•
Filing: 1955-01-07
•
Granted: 1960-01-05
•
Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Gabor Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:22
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/14; H01J9/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1700945A
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US2416056A
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US2625734A
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US2691115A
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US2740065A
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US2670523A
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US2767457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |