US2853115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inner tubes for tires
Assignee: Sumitomo Rubber USA LLC
•
Filing: 1953-05-14
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Granted: 1958-09-23
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Expires: 1973-05-14
Abstract
No abstract record available.
Inventors
- 👤 Franklin O Church
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:19
CPC Classifications
B; B60; B60C; B60C5/00; B60C5/20; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10522; Y10T152/10576; Y10T152/10612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A SAFETY TUBE FOR PNEUMATIC TRIES WHICH COMPRISES A CONTINUOUS SHEET OF FABRIC REINFORCED RUBBER ARCHED TO EXTEND WITHN AND SPACED FROM A TIRE CASING FROM ONE BEAD PORTION OF SAID TIRE CASING TO THE OTHER AND HAVING A RESILIENT STIFFENING REINFORCEMENT OF FILAMENTS PLACED CROSSWISE OF THE CIRCUMFERENCE OF THE TUBE AND SPACED CIRCUMFERENTIALLY OF THE TUBE EXTENDING THROUGHOUT SAID ARCHED SHEET FROM ONE BEAD PORTION TO THE OTHER TO HOLD SAID SHEET OF REINFORCED RUBBER ARCHED UPWARDLY, THE FILAMENTS OF SAID REINFORCEMENT BEING UNITED INTEGRALLY WITH SAID REINFORCED RUBBER AND BEING STIFFER THAN SAID REINFORCING FABRIC.
Claim 2
Dependent Claim
98 words
A SAFETY TUBE FOR PNEUMATIC TRIES WHICH COMPRISES A CONTINUOUS SHEET OF FABRIC REINFORCED RUBBER ARCHED TO EXTEND WITHN AND SPACED FROM A TIRE CASING FROM ONE BEAD PORTION OF SAID TIRE CASING TO THE OTHER AND HAVING A RESILIENT STIFFENING REINFORCEMENT OF FILAMENTS PLACED CROSSWISE OF THE CIRCUMFERENCE OF THE TUBE AND SPACED CIRCUMFERENTIALLY OF THE TUBE EXTENDING THROUGHOUT SAID ARCHED SHEET FROM ONE BEAD PORTION TO THE OTHER TO HOLD SAID SHEET OF REINFORCED RUBBER ARCHED UPWARDLY, THE FILAMENTS OF SAID REINFORCEMENT BEING UNITED INTEGRALLY WITH SAID REINFORCED RUBBER AND BEING STIFFER THAN SAID REINFORCING FABRIC.
References Cited (Backward Citations)
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US2524808A
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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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |