Patent US2742942A successfully refreshed from Google Patents.
US2742942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blend of polychloroprene and acrylic synthetic rubbers for adhering acrylic rubbers to other materials
Assignee: Goodrich Corp
•
Filing: 1952-05-29
•
Granted: 1956-04-24
•
Expires: 1972-05-29
Abstract
No abstract record available.
Inventors
- 👤 Harold P Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
B; B60; B60C; B60C13/00; B60C13/04; Y; Y10; Y10S; Y10S152/00; Y10S152/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A VULCANIZED PNEUMATIC TIRE HAVING IN COMBINATION A CARCASS COMPRISING A SULFUR-VULCANIZED RUBBERY MATERIAL AND A SIDE-WALL SECURED THERETO, SAID SIDEWALL COMPRISING A RUBBERY ACRYLIC ACID ESTER POLYMER AND A BONDING LAYER INTERPOSED BETWEEN SAID SIDE-WALL AND SAID CARCASS, SAID BONDING LAYER COMPRISING A HOMOGENEOUS MIXTURE CONTAINING AS ESSENTIAL ADHESIVE INGREDIENTS FROM ABOUT 70 TO 50 PARTS BY WEIGHT OF A RUBBERY POLYMER OF A CHLOROBUTADIENE-1,3 AND FROM 30 TO 50 PARTS BY WEIGHT OF A RUBBERY ACRYLIC ACID ESTER POLYMER, SAID ACRYLIC ACID ESTER POLYMER IN SAID SIDEWALL AND IN SAID BONDING LAYER
Claim 2
Dependent Claim
94 words
A VULCANIZED PNEUMATIC TIRE HAVING IN COMBINATION A CARCASS COMPRISING A SULFUR-VULCANIZED RUBBERY MATERIAL AND A SIDE-WALL SECURED THERETO, SAID SIDEWALL COMPRISING A RUBBERY ACRYLIC ACID ESTER POLYMER AND A BONDING LAYER INTERPOSED BETWEEN SAID SIDE-WALL AND SAID CARCASS, SAID BONDING LAYER COMPRISING A HOMOGENEOUS MIXTURE CONTAINING AS ESSENTIAL ADHESIVE INGREDIENTS FROM ABOUT 70 TO 50 PARTS BY WEIGHT OF A RUBBERY POLYMER OF A CHLOROBUTADIENE-1,3 AND FROM 30 TO 50 PARTS BY WEIGHT OF A RUBBERY ACRYLIC ACID ESTER POLYMER, SAID ACRYLIC ACID ESTER POLYMER IN SAID SIDEWALL AND IN SAID BONDING LAYER
References Cited (Backward Citations)
US2209928A
Cited
US2356091A
Cited
US2393438A
Cited
US2471905A
Cited
US2471456A
Cited
US2581920A
Cited
US2566328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |