US2991818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tire
Assignee: Bridgestone Firestone Inc
•
Filing: 1957-09-04
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Granted: 1961-07-11
•
Expires: 1977-09-04
Abstract
No abstract record available.
Inventors
- 👤 Clarence R Gay
- 👤 Theodore M Kersker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:53
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/02; B60C9/04; B60C9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PNEUMATIC TIRE HAVING A RUBBERIZED FABRIC BODY PORTION OF NOT OVER TWO PLIES OF RUBBERIZED NYLON FABRIC, EACH OF SAID PLIES MADE UP OF INDIVIDUAL CORDS OF TWISTED NYLON MATERIAL, SAID CORDS HAVING A DENIER OF FROM 3360 TO 7560, EACH SAID CORD FORMING AN ANGLE OF FROM 52* TO 62* WITH A LINE PARALLEL TO THE AXIS OF THE TIRE AND AT RIGHT ANGLES TO A MIDDLE CIRCUMFERENTIAL LINE ON THE CROWN OF THE TIRE.
Claim 2
Dependent Claim
77 words
A PNEUMATIC TIRE HAVING A RUBBERIZED FABRIC BODY PORTION OF NOT OVER TWO PLIES OF RUBBERIZED NYLON FABRIC, EACH OF SAID PLIES MADE UP OF INDIVIDUAL CORDS OF TWISTED NYLON MATERIAL, SAID CORDS HAVING A DENIER OF FROM 3360 TO 7560, EACH SAID CORD FORMING AN ANGLE OF FROM 52* TO 62* WITH A LINE PARALLEL TO THE AXIS OF THE TIRE AND AT RIGHT ANGLES TO A MIDDLE CIRCUMFERENTIAL LINE ON THE CROWN OF THE TIRE.
References Cited (Backward Citations)
US1802088A
Cited
GB526163A
Cited
US2317911A
Cited
US2650633A
Cited
US2826233A
Cited
US2782830A
Cited
US2786507A
Cited
US2869610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |