US2752979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Puncture sealing inner tube
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1953-06-17
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Granted: 1956-07-03
•
Expires: 1973-06-17
Abstract
No abstract record available.
Inventors
- 👤 Robert B Knill
- 👤 John J Hoesly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:47
CPC Classifications
B; B60; B60C; B60C19/00; B60C19/12; B60C19/122; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10666; Y10T152/10675; Y10T152/10684; Y10T152/10702
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A SELF-SEALING PNEUMATIC INNER TUBE COMPRISING AN OUTER AIR-RETAINING MEMBER AND AN INNER LAYER OF PARTIALLY VULCANIZED RUBBER SEALANT COMPOSITION ADHERED TO SAID OUTER MEMBER AND COVERING THAT AREA OF SAID OUTER MEMBER CORRESPONDING TO THE PUNCTURE ZONE OF SAID INNER TUBE, SAID SEALANT COMPOSITION COMPRISING FROM 2 TO 10 PARTS
Claim 2
Dependent Claim
51 words
A SELF-SEALING PNEUMATIC INNER TUBE COMPRISING AN OUTER AIR-RETAINING MEMBER AND AN INNER LAYER OF PARTIALLY VULCANIZED RUBBER SEALANT COMPOSITION ADHERED TO SAID OUTER MEMBER AND COVERING THAT AREA OF SAID OUTER MEMBER CORRESPONDING TO THE PUNCTURE ZONE OF SAID INNER TUBE, SAID SEALANT COMPOSITION COMPRISING FROM 2 TO 10 PARTS
References Cited (Backward Citations)
USRE15957E
Cited
US1433099A
Cited
US1522954A
Cited
US1511984A
Cited
US2566384A
Cited
US2640035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-03 | 1960-01-02 | 1960-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-03 | 1964-01-02 | 1964-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-03 | 1968-01-02 | 1968-07-03 | $7700.00 | Window Closed / Lapsed |