US2994358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tyres
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1958-03-03
•
Granted: 1961-08-01
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Trevaskis Henry William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:22
CPC Classifications
B; B60; B60C; B60C15/00; B60C15/0009; B60C15/0081; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/10; B29D30/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PNEUMATIC TYRE CARCASS OF ELASTOMERIC MATERIAL COMPRISING A TREAD PORTION, A PAIR OF SIDE WALLS AND A PAIR OF BEADS AT THE INNER PERIPHERY OF SAID SIDE WALLS, AT LEAST ONE PAIR OF BEAD WIRES ONE BEAD WIRE OF SAID PAIR IN EACH BEAD, A NUMBER OF REINFORCING WIRES EACH HAVING TWO FREE ENDS EMBEDDED IN SAID CARCASS AND EXTENDING FROM ONE OF THE BEAD WIRES IN ONE BEAD TO THE BEAD WIRE IN THE OTHER BEAD, THE FREE END PORTIONS OF SAID REINFORCING WIRES BEING RETURNED ABOUT SAID BEAD WIRES AND INTO PARALLELISM WITH THE PORTION THEREOF EXTENDING BETWEEN SAID BEAD WIRES AND TERMINATING IN THE PART OF THE SIDE WALLS
Claim 2
Dependent Claim
113 words
A PNEUMATIC TYRE CARCASS OF ELASTOMERIC MATERIAL COMPRISING A TREAD PORTION, A PAIR OF SIDE WALLS AND A PAIR OF BEADS AT THE INNER PERIPHERY OF SAID SIDE WALLS, AT LEAST ONE PAIR OF BEAD WIRES ONE BEAD WIRE OF SAID PAIR IN EACH BEAD, A NUMBER OF REINFORCING WIRES EACH HAVING TWO FREE ENDS EMBEDDED IN SAID CARCASS AND EXTENDING FROM ONE OF THE BEAD WIRES IN ONE BEAD TO THE BEAD WIRE IN THE OTHER BEAD, THE FREE END PORTIONS OF SAID REINFORCING WIRES BEING RETURNED ABOUT SAID BEAD WIRES AND INTO PARALLELISM WITH THE PORTION THEREOF EXTENDING BETWEEN SAID BEAD WIRES AND TERMINATING IN THE PART OF THE SIDE WALLS
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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |