Patent US2019420A successfully refreshed from Google Patents.
US2019420A
Expired / Lapsed
US
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Process for facilitating the penetration of latex into textile fibers, threads, tissues, cords, and other textile materials
Assignee: Individual
•
Filing: 1932-10-28
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Granted: 1935-10-29
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Expires: 1952-10-28
Abstract
No abstract record available.
Inventors
- 👤 Lejeune Leon Sylvain Max
- 👤 Bongrand Jean Etienne Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:53
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/693; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04
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) | 1938-10-28 | 1939-04-29 | 1939-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-28 | 1943-04-29 | 1943-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-28 | 1947-04-29 | 1947-10-29 | $7700.00 | Window Closed / Lapsed |