US3386485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricless pneumatic tires
Assignee: Dunlop Co Ltd
•
Filing: 1966-08-01
•
Granted: 1968-06-04
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Harrison
- 👤 John V Bennett
- 👤 Robert M Broughton
- 👤 Clive S Thawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:04
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/10; B29D30/16; B29D30/165; B29C; B29C45/00; B29C45/02; B29C45/17; B29C45/26; B29C45/2616; B29D30/0678; B60; B60C; B60C1/00; B60C13/00; B60C5/00; B60C5/01; B29D2030/086; B29D2030/1664; B29D2030/1685; B60C11/00; B60C11/0008; B60C2011/0016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A FABRICLESS PNEUMATIC TIRE COMPRISING A PAIR OF SPACED BEADS AND A SHAPED FLEXIBLE COMPOSITION EXTENDING FROM ONE BEAD TO THE OTHER TO FORM THE SIDEWALL PORTIONS AND TREAD PORTION OF THE TIRE, SAID FLEXIBLE COMPOSITION HAVING A YOUNG''S MODULUS OF AT LEAST 4.5X10**2 POUNDS PER SQUARE INCH AND AN ELONGATION (CREEP) OF NOT MORE THAN
Claim 2
Dependent Claim
56 words
A FABRICLESS PNEUMATIC TIRE COMPRISING A PAIR OF SPACED BEADS AND A SHAPED FLEXIBLE COMPOSITION EXTENDING FROM ONE BEAD TO THE OTHER TO FORM THE SIDEWALL PORTIONS AND TREAD PORTION OF THE TIRE, SAID FLEXIBLE COMPOSITION HAVING A YOUNG''S MODULUS OF AT LEAST 4.5X10**2 POUNDS PER SQUARE INCH AND AN ELONGATION (CREEP) OF NOT MORE THAN
References Cited (Backward Citations)
US2902072A
Cited
US3208500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |