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Class Information
Number: D12/533
Name: Transportation > Tire > With tread pattern > Directional type
Description: Design having a symmetrical pattern about the equatorial centerline with the configuration on one side of the circumferential centerline being a mirror image of the side opposite, generally resulting in a "V"- or "U"-shaped tread pattern.

Sub-classes under this class:

Class Number Class Name Patents
D12/546 Circumferential groove width at least 10 percent of tread width 34
D12/563 Diagonal groove 62
D12/544 Discrete tread blocks or ribs arrayed on plain surface 182
D12/557 Lateral groove 3
D12/539 Repeating shape 6
D12/545 Tessellated 14
D12/534 Tread pattern continues onto sidewall or tire is tubular in cross-section 46
D12/547 Uninterrupted equatorial circumferential groove 9
D12/551 Uninterrupted equatorial circumferential rib 55

Patents under this class:

Patent Number Title Of Patent Date Issued
D441698 Airplane tire May. 8, 2001
D425456 Tire tread May. 23, 2000

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