US3105536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple tire for running on loose ground
Assignee: Pirelli and C SpA
•
Filing: 1961-05-19
•
Granted: 1963-10-01
•
Expires: 1981-05-19
Abstract
No abstract record available.
Inventors
- 👤 Cappa Giulio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:05
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24; B60; B60C; B60C11/00; B60C11/02; B60C11/22; B60C27/00; B60C27/06; B60C27/16; B60C27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A TIRE ASSEMBLY FOR VEHICLES COMPRISING A GROUP OF AT LEAST TWO INFLATABLE CARRYING CARCASSES, A SINGLE REMOVABLE TREAD DIRECTLY ENGAGING AND INTERCONNECTING EACH OF SAID CARCASSES, SAID CARCASSES BEING OF THE TYPE PERMITTING MINUTE LONGITUDINAL MOVEMENTS OF THE TREAD RELATIVE TO SAID CARCASSES, SAID TREAD EMBODYING AN INTERNAL RESISTANT STRUCTURE RENDERING THE TREAD LONGITUDINALLY INEXTENSIBLE, THE INNER PERIPHERAL SURFACE OF SAID TREAD BEING OF A SHAPE IN ITS ZONES ENGAGING SAID CARCASSES COMPLEMENTARY TO THE OUTER PERIPHERAL SURFACE OF SAID CARCASSES, AND SAID INTERNAL RESISTANT STRUCTURE BEING UNDER TENSION UPON INNER INFLATION OF SAID CARCASSES.
Claim 2
Dependent Claim
96 words
A TIRE ASSEMBLY FOR VEHICLES COMPRISING A GROUP OF AT LEAST TWO INFLATABLE CARRYING CARCASSES, A SINGLE REMOVABLE TREAD DIRECTLY ENGAGING AND INTERCONNECTING EACH OF SAID CARCASSES, SAID CARCASSES BEING OF THE TYPE PERMITTING MINUTE LONGITUDINAL MOVEMENTS OF THE TREAD RELATIVE TO SAID CARCASSES, SAID TREAD EMBODYING AN INTERNAL RESISTANT STRUCTURE RENDERING THE TREAD LONGITUDINALLY INEXTENSIBLE, THE INNER PERIPHERAL SURFACE OF SAID TREAD BEING OF A SHAPE IN ITS ZONES ENGAGING SAID CARCASSES COMPLEMENTARY TO THE OUTER PERIPHERAL SURFACE OF SAID CARCASSES, AND SAID INTERNAL RESISTANT STRUCTURE BEING UNDER TENSION UPON INNER INFLATION OF SAID CARCASSES.
References Cited (Backward Citations)
FR464323A
Cited
US2127075A
Cited
US2365279A
Cited
US2898965A
Cited
US2985214A
Cited
US2998998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |