US2764503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating fabrics
Assignee: EIDP Inc
•
Filing: 1952-08-28
•
Granted: 1956-09-25
•
Expires: 1972-08-28
Abstract
No abstract record available.
Inventors
- 👤 Henning W Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:01
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/02; D06M14/04; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2089925A
Cited
US2097417A
Cited
US2118036A
Cited
GB475671A
Cited
US2314968A
Cited
US2343095A
Cited
US2415564A
Cited
US2406454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |