US3751331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhering textiles and metals to rubber and product
Assignee: Bayer AG
•
Filing: 1970-05-25
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Granted: 1973-08-07
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Expires: 1990-05-25
Abstract
Abstract BONDING OF RUBBER TO TEXTILES OR METALS UTILIZING A VULCANIZABLE RUBBER CONTAINING A FORMALDEHYDE DONOR, A FORMALDEHYDE ACCEPTOR AND A FINELY DISPERSED SILICA FILLER.
Inventors
- 👤 I Dane
- 👤 G Fromandi
- 👤 P Blankenstein
- 👤 W Huther
- 👤 E Muller
- 👤 H Freytag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:04
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/10; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/259; Y10T428/31504; Y10T428/31678; Y10T428/31688; Y10T428/31826; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3602; Y10T442/3642; Y10T442/3854; Y10T442/3911
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |