US3157216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tires of the replaceable tread type
Assignee: Pirelli and C SpA
•
Filing: 1963-01-10
•
Granted: 1964-11-17
•
Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Maiocchi Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:08
CPC Classifications
B; B60; B60C; B60C11/00; B60C11/02; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A PNEUMATIC TIRE HAVING A REPLACEABLE TREAD CONSISTNG OF A TREAD RING PROVIDED WIHT AN INEXTENSIBLE REINFORCING STRUCTURE AND A CARCASS EMBODYING A BREAKER STRUCTURE COMPRISING A PLURALITY OF BREAKER STRIPS CHARACTERIZED IN THAT ON THE OUTER SURFACE OF THE CARCASS, IN THE ZONE ADAPTED TO CONTACT SAID TREAD RING, THERE ARE SUBSTANTIALLY PARALLEL LONGITUDINALLY EXTENDING ANNULAR CHANNELS, SYMMETRICAL WITH RESPECT TO THE MID-CIRCUMFERENTIAL PLANE, SAID CHANNELS DEFINING A CENTRAL SMOOTH PORTION HAVING A WIDTH AT LEAST EQUAL TO THE WIDTH OF THE RADIALLY OUTERMOST BREAKER STRIP, AND IN THAT THE INNER SURFACE OF THE TREAD RING HAS A PROFILE COMPLEMENTARY TO THAT OF THE CARRYING CASING SAID RADIALLY OUTERMOST BREAKER STRIP BEING WHOLY CONFINED WITHIN SAID CENTRAL SMOOTH PORTION BETWEEN SAID CHANNELS.
Claim 2
Dependent Claim
123 words
A PNEUMATIC TIRE HAVING A REPLACEABLE TREAD CONSISTNG OF A TREAD RING PROVIDED WIHT AN INEXTENSIBLE REINFORCING STRUCTURE AND A CARCASS EMBODYING A BREAKER STRUCTURE COMPRISING A PLURALITY OF BREAKER STRIPS CHARACTERIZED IN THAT ON THE OUTER SURFACE OF THE CARCASS, IN THE ZONE ADAPTED TO CONTACT SAID TREAD RING, THERE ARE SUBSTANTIALLY PARALLEL LONGITUDINALLY EXTENDING ANNULAR CHANNELS, SYMMETRICAL WITH RESPECT TO THE MID-CIRCUMFERENTIAL PLANE, SAID CHANNELS DEFINING A CENTRAL SMOOTH PORTION HAVING A WIDTH AT LEAST EQUAL TO THE WIDTH OF THE RADIALLY OUTERMOST BREAKER STRIP, AND IN THAT THE INNER SURFACE OF THE TREAD RING HAS A PROFILE COMPLEMENTARY TO THAT OF THE CARRYING CASING SAID RADIALLY OUTERMOST BREAKER STRIP BEING WHOLY CONFINED WITHIN SAID CENTRAL SMOOTH PORTION BETWEEN SAID CHANNELS.
References Cited (Backward Citations)
GB801146A
Cited
US2985214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |