US3280877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tires
Assignee: Dunlop Rubber Co Ltd
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Filing: 1964-11-09
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Granted: 1966-10-25
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Hanus Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:25
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/02; B60C9/04; B60C9/06; B60C11/00; B60C11/03; B60C11/0311
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PNEUMATIC TIRE HAVING A MIDCIRCUMFERENTIAL PLANE AND INCORPORATING A TREAD HAVING A CROWN REGION AND COMPRISING A PLURALITY OF GROUND-CONTACTING LUGS, AND A CARCASS REINFORCEMENT LOCATED RADIALLY WITHIN THE TREAD AND CONSISTING OF A PLURALITY OF LAYERS OF REINFORCING CORDS BETWEEN THE BEAD REGIONS OF THE TIRE, THE CORDS IN EACH OF THE LAYERS EXTENDING ACROSS THE CROWN REGION IN A DIRECTION LYING AT A MAXIMUM ANGLE OF 33* TO SAID PLANE, AND IN THE MOLDED UNINFLATED SHAPE OF THE TIRE, THE CARCESS REINFORCEMENT HAVING A MAXIMUM MEAN HEIGHT TO A MAXIMUM MEAN WIDTH RATIO LYING WITHIN RANGE BETWEEN .5 AND .75.
Claim 2
Dependent Claim
103 words
A PNEUMATIC TIRE HAVING A MIDCIRCUMFERENTIAL PLANE AND INCORPORATING A TREAD HAVING A CROWN REGION AND COMPRISING A PLURALITY OF GROUND-CONTACTING LUGS, AND A CARCASS REINFORCEMENT LOCATED RADIALLY WITHIN THE TREAD AND CONSISTING OF A PLURALITY OF LAYERS OF REINFORCING CORDS BETWEEN THE BEAD REGIONS OF THE TIRE, THE CORDS IN EACH OF THE LAYERS EXTENDING ACROSS THE CROWN REGION IN A DIRECTION LYING AT A MAXIMUM ANGLE OF 33* TO SAID PLANE, AND IN THE MOLDED UNINFLATED SHAPE OF THE TIRE, THE CARCESS REINFORCEMENT HAVING A MAXIMUM MEAN HEIGHT TO A MAXIMUM MEAN WIDTH RATIO LYING WITHIN RANGE BETWEEN .5 AND .75.
References Cited (Backward Citations)
US2869610A
Cited
GB830133A
Cited
DE1098386B
Cited
US3074455A
Cited
US3115921A
Cited
US3164193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |