US2935109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sealable linings for pneumatic tires and the like
Assignee: Phillips Petroleum Co
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Filing: 1957-01-25
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Granted: 1960-05-03
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Expires: 1977-01-25
Abstract
No abstract record available.
Inventors
- 👤 Henry E Railsback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:44
CPC Classifications
B; B60; B60C; B60C19/00; B60C19/12; B60C19/122; B29; B29C; B29C73/00; B29C73/16; B29C73/163; B29C73/22; B29L; B29L2030/00; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10666; Y10T152/10675; Y10T152/10684; Y10T152/10702
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN AN INFLATABLE ARTICLE OF MANUFACTURE AN IMPROVED SELF-SEALING LINNING WHICH COMPRISES A BLEND OF A MAJOR AMOUNT OF SOFT GUM RUBBER AND A MINOR AMOUNT OF ETHYLENE POLYMER HAVING A DENSITY OF AT LEAST 0.94, A SOFTENING TEMPERATURE IN THE RANGE OF ABOUT 240 TO 270*F., AND A CRYSTALLINITY OF AT LEAST 80 PERCENT AT 25*C., SAID LINING HAVING SUBSTANTIAL RESISTANCE TO FLOW WITHIN THE NORMAL TEMPERATURE RANGE TO WHICH SAID ARTICLE IS SUBJECTED IN OPERATION BUT BECOMING TACKY AND FLUID WHEN HEATED ABOVE SAID TEMPERATURE RANGE.
Claim 2
Dependent Claim
88 words
IN AN INFLATABLE ARTICLE OF MANUFACTURE AN IMPROVED SELF-SEALING LINNING WHICH COMPRISES A BLEND OF A MAJOR AMOUNT OF SOFT GUM RUBBER AND A MINOR AMOUNT OF ETHYLENE POLYMER HAVING A DENSITY OF AT LEAST 0.94, A SOFTENING TEMPERATURE IN THE RANGE OF ABOUT 240 TO 270*F., AND A CRYSTALLINITY OF AT LEAST 80 PERCENT AT 25*C., SAID LINING HAVING SUBSTANTIAL RESISTANCE TO FLOW WITHIN THE NORMAL TEMPERATURE RANGE TO WHICH SAID ARTICLE IS SUBJECTED IN OPERATION BUT BECOMING TACKY AND FLUID WHEN HEATED ABOVE SAID TEMPERATURE RANGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |