Ballast for pneumatic vehicle tires
First Claim
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1. IN A BALLASTED VEHICLE TIRE HAVING AN ANNULAR SEALED CHAMBER INFLATED WITH A GAS UNDER PRESSURE AND A POWDER BALLAST FILLING A MAJOR PORTON OF SAID CHAMBER, THE IMPROVEMENT COMPRISING:
- SAID BALLAST CONSISTING SUBSTANTIALLY OF PARTICULATE MAGNETIC IRON OXIDE HAVING A SPECIFIC GRAVITY OF FROM 4.1 TO 4.9, SAID OXIDE HAVING A FINENESS OF AT LEAST 325 MESH.
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1 Claim
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1. IN A BALLASTED VEHICLE TIRE HAVING AN ANNULAR SEALED CHAMBER INFLATED WITH A GAS UNDER PRESSURE AND A POWDER BALLAST FILLING A MAJOR PORTON OF SAID CHAMBER, THE IMPROVEMENT COMPRISING:
- SAID BALLAST CONSISTING SUBSTANTIALLY OF PARTICULATE MAGNETIC IRON OXIDE HAVING A SPECIFIC GRAVITY OF FROM 4.1 TO 4.9, SAID OXIDE HAVING A FINENESS OF AT LEAST 325 MESH.
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Current AssigneeSimon Sander, William F. Priest
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Original AssigneeSimon Sander, William F. Priest
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InventorsPriest, William F., Sander, Simon
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Application NumberUS04/593,626Time in Patent Office694 DaysField of SearchUS Class Current152/450CPC Class CodesB60C 5/005 Ballast tyresY10T 152/10495 Pneumatic tire or inner tube
