US3793425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating process for polyester substrates
Assignee: Celanese Corp
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Filing: 1971-12-27
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Granted: 1974-02-19
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Expires: 1991-12-27
Abstract
Abstract A PROCESS FOR PRE-TREATING POLYESTER FILAMENTARY MATERIAL FOR SUBSEQUENT RUBBER ADHESION, THE PROCESS COMPRISING EXTRUDING A POLYESTER FILAMENTARY MATERIAL COPABLE OF BEING DRAWN AND BEFORE THE EXTRUDATE IS FULLY DRAWN, COATING WITH A COMPOSITION CONTAINING AN EPOXY RESIN.
Inventors
- 👤 R Arrowsmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:18
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511
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) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |