Patent US550282A successfully refreshed from Google Patents.
Patent US3208501A successfully refreshed from Google Patents.
US3208501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ballast filled pneumatic tire construction
Assignee: Frank G Hough Co
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Filing: 1963-12-11
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Granted: 1965-09-28
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Expires: 1983-12-11
Abstract
No abstract record available.
Inventors
- 👤 William J Askins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:35
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
154 words
A TIRE CONSTRUCTION CAPABLE OF PROVIDING A VARIABLE BALLAST WEIGHT COMPRISING, A RIM, A TIRE CASING MOUNTED ON SAID RIM AND DEFINING THEREWITH A CLOSED CHAMBER, A BALLAST MATERIAL OF THE DRY, SOLID TYPE WHICH REQUIRES A MINIMUM VOLUME CONCENTRATION TO ABSORB GAS AS A MIXTURE WHEN AGITATED, SAID BALLAST MATERIAL BEING WITHIN SAID CHAMBER, SAID CHAMBER CONTAINING A SUBSTANTIAL AMOUNT OF GAS, FIRST VALVE MEANS FOR PERMITTING INSERTION AND EXTRACTION OF SAID BALLAST MATERIAL AND THE GAS INTO AND FROM SAID CHAMBER, AN INNER CASING CAPABLE OF BEING SELECTIVELY INFLATED AND DEFLATED, SAID CASING BEING POSITIONED WITHIN SAID CHAMBER, AND SECOND VALVE MEANS FOR PERMITTING INFLATION AND DEFLATION OF SAID CASING WHEREBY THE AMOUNT OF SAID BALLAST MATERIAL CAN BE INCRASED AND DECREASED WHILE SIMULTANEOUSLY MAINTAINING SAID MINIMUM CONCENTRATION BY RESPECTIVELY INCREASING AND DECREASING THAT PORTION OF SAID CHAMBER OCCUPIED BY THE BALLACE AND GAS BY CORRESPONDINGLY DEFLATING AND INFLATING SAID INNER CASING.
Claim 2
Dependent Claim
154 words
A TIRE CONSTRUCTION CAPABLE OF PROVIDING A VARIABLE BALLAST WEIGHT COMPRISING, A RIM, A TIRE CASING MOUNTED ON SAID RIM AND DEFINING THEREWITH A CLOSED CHAMBER, A BALLAST MATERIAL OF THE DRY, SOLID TYPE WHICH REQUIRES A MINIMUM VOLUME CONCENTRATION TO ABSORB GAS AS A MIXTURE WHEN AGITATED, SAID BALLAST MATERIAL BEING WITHIN SAID CHAMBER, SAID CHAMBER CONTAINING A SUBSTANTIAL AMOUNT OF GAS, FIRST VALVE MEANS FOR PERMITTING INSERTION AND EXTRACTION OF SAID BALLAST MATERIAL AND THE GAS INTO AND FROM SAID CHAMBER, AN INNER CASING CAPABLE OF BEING SELECTIVELY INFLATED AND DEFLATED, SAID CASING BEING POSITIONED WITHIN SAID CHAMBER, AND SECOND VALVE MEANS FOR PERMITTING INFLATION AND DEFLATION OF SAID CASING WHEREBY THE AMOUNT OF SAID BALLAST MATERIAL CAN BE INCRASED AND DECREASED WHILE SIMULTANEOUSLY MAINTAINING SAID MINIMUM CONCENTRATION BY RESPECTIVELY INCREASING AND DECREASING THAT PORTION OF SAID CHAMBER OCCUPIED BY THE BALLACE AND GAS BY CORRESPONDINGLY DEFLATING AND INFLATING SAID INNER CASING.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |