US2765018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-sealing article
Assignee: Goodrich Corp
•
Filing: 1952-06-04
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Granted: 1956-10-02
•
Expires: 1972-06-04
Abstract
No abstract record available.
Inventors
- 👤 Balfour Y Connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:36
CPC Classifications
B; B60; B60C; B60C19/00; B60C19/12; B29; B29D; B29D30/00; B29D30/06; B29D30/0681; B29D30/0685; C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/30; C08K5/00; C08K5/04; C08K5/14; C08L; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22; C09; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J123/22; B29D2030/0686; B29D2030/0691; B29D2030/0695; C08L2666/00; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A SELF-SEALING TIRE CASING OF THE TUBELESS VARIETY COMPRISING A TREAD MEMBER, A CARCASS MEMBER, A FLEXIBLE BARRIER LAYER IMPERMEABLE TO AIR EXTENDING OVER THE INNER FACE OF SAID CARCASS MEMBER FROM BEAD PORTION TO BEAD PORTION, AND A LAYER OF SELF-SEALING COMPOSITION ADHERED TO THE INNER FACE OF SAID BARRIER LAYER IN THE CROWN REGION OF SAID TIRE CASING, SAID SELF-SEALING COMPOSITION COMPRISING A RUBBERY COPOLYMER OF A MAJOR PROPORTION OF AN ISOOLEFIN HAVING 4 TO 7 CARBON ATOMS WITH A MONOR PROPORTION OF AN OPEN-CHAIN CONJUGATED DIOLEFIN HAVING 4 TO 8 CARBON ATOMS AND FROM 60 TO 85% BY WEIGHT OF SAID COPOLYMER OF BLACK IRON OXIDE, SAID COPOLYMER HAVING BEEN CURED TO A PARTIALLY CURED STATE IN THE PRESENCE OF ABOUT 0.2 TO 1.0% BY WEIGHT OD AIS XOPOLYMER OF CURING AGENT FOR SAID COPOLYMER AND IN THE PRESENCE OF 0.5 TO 4% BY WEIGHT OIF SAID COPOLYMER OF AN AUXILIARY CURING AGENT FOR SAID COPOLYMER SELECTED FROM THE GROUP CONSISTING OF ORGANIC PEROXIDES, INORGANIC PEROXIDES AND METALLIC POLYSULFIDES.
Claim 2
Dependent Claim
172 words
A SELF-SEALING TIRE CASING OF THE TUBELESS VARIETY COMPRISING A TREAD MEMBER, A CARCASS MEMBER, A FLEXIBLE BARRIER LAYER IMPERMEABLE TO AIR EXTENDING OVER THE INNER FACE OF SAID CARCASS MEMBER FROM BEAD PORTION TO BEAD PORTION, AND A LAYER OF SELF-SEALING COMPOSITION ADHERED TO THE INNER FACE OF SAID BARRIER LAYER IN THE CROWN REGION OF SAID TIRE CASING, SAID SELF-SEALING COMPOSITION COMPRISING A RUBBERY COPOLYMER OF A MAJOR PROPORTION OF AN ISOOLEFIN HAVING 4 TO 7 CARBON ATOMS WITH A MONOR PROPORTION OF AN OPEN-CHAIN CONJUGATED DIOLEFIN HAVING 4 TO 8 CARBON ATOMS AND FROM 60 TO 85% BY WEIGHT OF SAID COPOLYMER OF BLACK IRON OXIDE, SAID COPOLYMER HAVING BEEN CURED TO A PARTIALLY CURED STATE IN THE PRESENCE OF ABOUT 0.2 TO 1.0% BY WEIGHT OD AIS XOPOLYMER OF CURING AGENT FOR SAID COPOLYMER AND IN THE PRESENCE OF 0.5 TO 4% BY WEIGHT OIF SAID COPOLYMER OF AN AUXILIARY CURING AGENT FOR SAID COPOLYMER SELECTED FROM THE GROUP CONSISTING OF ORGANIC PEROXIDES, INORGANIC PEROXIDES AND METALLIC POLYSULFIDES.
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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) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |