US3003536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle tire ballast
Assignee: Led Ballast Inc
•
Filing: 1960-06-13
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Granted: 1961-10-10
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Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Fisher W Culberson
- 👤 William L Hicks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:29
CPC Classifications
B; B60; B60C; B60C5/00; B60C5/004; B60C5/005; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A BALLASTED VEHICLE TIRE, COMPRISING A RESILIENT VEHICLE TIRE HAVING AN ANNULAR SEALED CHAMBER INFLATABLE WITH GAS UNDER PRESSURE, A PARTICLE BALLAST PARTIALLY FILLING SAID CHAMBER TO NOT LESS THAN ABOUT 65% OF ITS CAPACITY WHEN THE TIRE IS AT REST, AND LEAVING A VOID OF NOT MORE THAN ABOUT 35% AT THE TOP OF THE TIRE, A GAS MAINTAINED IN SAID CHAMBER UNDER PRESSURE TO INFLATE SAID TIRE AND TO PROVIDE A PNEUMATIC TIRE CAPABLE OF FLATTENING UNDER HEAVY PULLING LOADS, SAID BALLAST CONTAINING FINELY REDUCED POWDERED MINERAL MATERIAL SURFACE COATED WITH A COMPOUND SELECTED FROM THE GROUP COMPRISED OF LONG CHAIN FATTY ACIDS OF 10-31 CARBON ATOM CHAIN, THE MINERAL SALTS OF SAID ACIDS, AND MIXTURES THEREOF, THE AMOUNT OF FINELY REDUCED POWDER BEING SUFFICIENT THAT DURING ROTATION OF THE TIRE THE BALLAST IS ENTRAINED IN THE ENCLOSED GAS SUBSTANTIALLY FILLING THE VOLUME OF THE TIRE WITH A DENSIFIED, COMPRESSIBLE PNEUMATIC MEDIUM FOR THE TIRE.
Claim 2
Dependent Claim
157 words
A BALLASTED VEHICLE TIRE, COMPRISING A RESILIENT VEHICLE TIRE HAVING AN ANNULAR SEALED CHAMBER INFLATABLE WITH GAS UNDER PRESSURE, A PARTICLE BALLAST PARTIALLY FILLING SAID CHAMBER TO NOT LESS THAN ABOUT 65% OF ITS CAPACITY WHEN THE TIRE IS AT REST, AND LEAVING A VOID OF NOT MORE THAN ABOUT 35% AT THE TOP OF THE TIRE, A GAS MAINTAINED IN SAID CHAMBER UNDER PRESSURE TO INFLATE SAID TIRE AND TO PROVIDE A PNEUMATIC TIRE CAPABLE OF FLATTENING UNDER HEAVY PULLING LOADS, SAID BALLAST CONTAINING FINELY REDUCED POWDERED MINERAL MATERIAL SURFACE COATED WITH A COMPOUND SELECTED FROM THE GROUP COMPRISED OF LONG CHAIN FATTY ACIDS OF 10-31 CARBON ATOM CHAIN, THE MINERAL SALTS OF SAID ACIDS, AND MIXTURES THEREOF, THE AMOUNT OF FINELY REDUCED POWDER BEING SUFFICIENT THAT DURING ROTATION OF THE TIRE THE BALLAST IS ENTRAINED IN THE ENCLOSED GAS SUBSTANTIALLY FILLING THE VOLUME OF THE TIRE WITH A DENSIFIED, COMPRESSIBLE PNEUMATIC MEDIUM FOR THE TIRE.
References Cited (Backward Citations)
US2884039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |