Credit card-shaped tire tread gauge

Details Credit card-shaped tire tread gauge Credit card-shaped tire tread gauge

2006-01-17

2009-02-03

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Gauge

Wheel

C033S571000, C033S679100, C033S836000

Reexamination Certificate

active

07484302

ABSTRACT:
A tire tread gauge shaped like a rectangular card that fits easily into a credit card slot in a wallet or purse. The card has a tread measurement scale imprinted, engraved, molded or otherwise marked onto one or both sides and is used to measure the remaining tread depth on motor vehicle tires. Other possible embodiments include a card with more or less than 4 sides or a round card.

REFERENCES:
patent: 1601407 (1926-09-01), Murray
patent: 1637775 (1927-08-01), Keaton
patent: 2229124 (1941-01-01), Phillips
patent: 2687574 (1954-08-01), Heal
patent: 3063154 (1962-11-01), Slavsky
patent: 3170243 (1965-02-01), Williams
patent: 3269019 (1966-08-01), Krohn
patent: 5079846 (1992-01-01), Iden
patent: 5246375 (1993-09-01), Goede
patent: 2003/0051362 (2003-03-01), Buckman et al.

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