US2996095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated article
Assignee: Bridgestone Firestone Inc
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Filing: 1958-11-19
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Granted: 1961-08-15
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Expires: 1978-11-19
Abstract
No abstract record available.
Inventors
- 👤 Walter C Rowe
- 👤 Richard R Sawdey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:41
CPC Classifications
B; B60; B60C; B60C1/00; B60C1/0008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN AN OPEN BELLIED PNEUMATIC TUBELESS TIRE, THE COMBINATION OF A RUBBERIZED FABRIC BODY PORTION COMPRISED OF A VULCANIZED RUBBERY COPOLYMER OF AN OPEN-CHAIN CONJUGATED DIOLEFIN AND STYRENE AND AN AIR IMPERVIOUS LINEAR MEMBER VULCANIZED TO THE SURFACE OF SAID RUBBERY BODY PORTION, SAID LINER COMPRISED OF A CHLORINATED RUBBERY COPOLYMER OF A MAJOR PORTION OF AN ISOOLEFIN HAVING FROM 4 TO 7 CARBON ATOMS AND A MINOR PORTION OF AN OPEN-CHAIN CONJUGATED DIOLEFIN HAVING FROM 4 TO 8 CARBON ATOMS AND CONTAINING AT LEAST .8 PART CHLORINE BASED ON THE WEIGHT OF ISOOLEFIN POLYMER AND COMPOUNDED WITH FROM 2 TO 15 PARTS OF A NON-REACTIVE PHENOL-ALDEHYDE RESIN BASED ON 100 PARTS BY WEIGHT OF COPOLYMER.
Claim 2
Dependent Claim
116 words
IN AN OPEN BELLIED PNEUMATIC TUBELESS TIRE, THE COMBINATION OF A RUBBERIZED FABRIC BODY PORTION COMPRISED OF A VULCANIZED RUBBERY COPOLYMER OF AN OPEN-CHAIN CONJUGATED DIOLEFIN AND STYRENE AND AN AIR IMPERVIOUS LINEAR MEMBER VULCANIZED TO THE SURFACE OF SAID RUBBERY BODY PORTION, SAID LINER COMPRISED OF A CHLORINATED RUBBERY COPOLYMER OF A MAJOR PORTION OF AN ISOOLEFIN HAVING FROM 4 TO 7 CARBON ATOMS AND A MINOR PORTION OF AN OPEN-CHAIN CONJUGATED DIOLEFIN HAVING FROM 4 TO 8 CARBON ATOMS AND CONTAINING AT LEAST .8 PART CHLORINE BASED ON THE WEIGHT OF ISOOLEFIN POLYMER AND COMPOUNDED WITH FROM 2 TO 15 PARTS OF A NON-REACTIVE PHENOL-ALDEHYDE RESIN BASED ON 100 PARTS BY WEIGHT OF COPOLYMER.
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |