US3245452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quiet and soft ride pneumatic tire
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1962-07-11
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Granted: 1966-04-12
•
Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:40
CPC Classifications
B; B60; B60C; B60C1/00; C; C08; C08L; C08L21/00; Y; Y10; Y10S; Y10S152/00; Y10S152/905; Y10S525/00; Y10S525/914
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
132 words
A PNEUMATIC TIRE HAVING IMPROVED RIDING QUALITIES AND COMPRISING A TREAD PORTION AND AN OPEN BELLIED HOLLOW ANNULAR BODY TERMINATING IN SPACED APART BEAD PORTIONS, AT LEAST THE TREAD PORTION OF WHICH IS MADE FROM A COMPOSITION COMPRISING A HETEROGENEOUS BLEND OF (1) AT LEAST ONE RUBBERY POLYMERIC MATERIAL AND (2) AT LEAST ONE POLYMERIC MATERIAL WHICH IS A POLYMER OF AT LEAST ONE COMPONENT SELECTED FROM THE GROUP CONSITING OF BUTADIENE-1,3 AND ISOPRENE THE POLYMERIC MATERIAL, (2) HAVING A STIFFENING TEMPERATURE NOT HIGHER THAN 15*C. NOR LOWER THAN ABOUT -30*C. AND AT LEAST 20*C. HIGHER THAN THE STIFFENING TEMPERATURE OF AT LEAST ONE OF SAID RUBBERY POLYMERIC MATERIALS (1) AND PRESENT IN AN AMOUNT OF FROM ABOUT 40 PARTS TO ABOUT 80 PARTS PER 100 PARTS OF TOTAL POLYMERIC MATERIAL PRESENT.
Claim 2
Dependent Claim
132 words
A PNEUMATIC TIRE HAVING IMPROVED RIDING QUALITIES AND COMPRISING A TREAD PORTION AND AN OPEN BELLIED HOLLOW ANNULAR BODY TERMINATING IN SPACED APART BEAD PORTIONS, AT LEAST THE TREAD PORTION OF WHICH IS MADE FROM A COMPOSITION COMPRISING A HETEROGENEOUS BLEND OF (1) AT LEAST ONE RUBBERY POLYMERIC MATERIAL AND (2) AT LEAST ONE POLYMERIC MATERIAL WHICH IS A POLYMER OF AT LEAST ONE COMPONENT SELECTED FROM THE GROUP CONSITING OF BUTADIENE-1,3 AND ISOPRENE THE POLYMERIC MATERIAL, (2) HAVING A STIFFENING TEMPERATURE NOT HIGHER THAN 15*C. NOR LOWER THAN ABOUT -30*C. AND AT LEAST 20*C. HIGHER THAN THE STIFFENING TEMPERATURE OF AT LEAST ONE OF SAID RUBBERY POLYMERIC MATERIALS (1) AND PRESENT IN AN AMOUNT OF FROM ABOUT 40 PARTS TO ABOUT 80 PARTS PER 100 PARTS OF TOTAL POLYMERIC MATERIAL PRESENT.
Claim 3
Dependent Claim
57 words
THE PNEUMATIC TIRE OF CLAIM 1 AT LEAST THE TREAD PORTION OF WHICH COMPRISES A BLEND OF ABOUT 50 PARTS OF A RUBBERY POYMERIC MATERIAL (1) MADE BY POLYMERIZING A MIXTURE OF 75% BUTADIENE-1,3 AND 25% STYRENE, AND ABOUT 50 PARTS OF A POLYMERIC MATERIAL (2) MADE BY POLYMERIZING A MIXTURE OF 53% STYRENE AND 47% BUTADIENE-1,3.
References Cited (Backward Citations)
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |