US3212955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire cord bonding with polymethylolmelamine resins
Assignee: Wyeth Holdings LLC
•
Filing: 1962-05-10
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Granted: 1965-10-19
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Expires: 1982-05-10
Abstract
No abstract record available.
Inventors
- 👤 Kaizerman Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:38
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/249933; Y10T428/31504; Y10T428/31855; Y10T428/31859; Y10T428/31862; Y10T428/31866; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2762; Y10T442/277; Y10T442/2828; Y10T442/2844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A COMPOSITE STRUCTURE COMPRISING AT LEAST ONE TEXTILE FIBER MATERIAL SURFACE; AT LEAST ONE VULCANIZED RUBBER SURFACE; AND AN INTERPOSED LAYER UNITARILY BONDED TO SAID TEXTILE MATERIAL SURFACE AND TO SAID VULCANIZED RUBBER SURFACE; THE IMPROVEMENT WHICH COMPRISES UTILIZING AS SAID INTERPOSED LAYER A HEAT-CURED COMPOSITION CONSISTING ESSENTIALLY OF VULCANIZABLE SBR RUBBER AND A HEAT-CURABLE ETHERIFIED POLYMETHYLOMELAMINE RESIN OF THE FORMULA
Claim 2
Dependent Claim
62 words
IN A COMPOSITE STRUCTURE COMPRISING AT LEAST ONE TEXTILE FIBER MATERIAL SURFACE; AT LEAST ONE VULCANIZED RUBBER SURFACE; AND AN INTERPOSED LAYER UNITARILY BONDED TO SAID TEXTILE MATERIAL SURFACE AND TO SAID VULCANIZED RUBBER SURFACE; THE IMPROVEMENT WHICH COMPRISES UTILIZING AS SAID INTERPOSED LAYER A HEAT-CURED COMPOSITION CONSISTING ESSENTIALLY OF VULCANIZABLE SBR RUBBER AND A HEAT-CURABLE ETHERIFIED POLYMETHYLOMELAMINE RESIN OF THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |