Trailer level

Land vehicles – Wheeled – Attachment

Reexamination Certificate

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Details

C254S420000, C033S385000

Reexamination Certificate

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06840541

ABSTRACT:
A trailer tongue arrangement is provided having a power jack. The power jack is removably engaged with the tongue and includes a circular level unit thereon which indicates a level condition in the front-to-back and side-to-side directions.

REFERENCES:
patent: 2660804 (1953-12-01), Mundy
patent: 2970381 (1961-02-01), Pierce
patent: 3146529 (1964-09-01), Ogden
patent: 3857188 (1974-12-01), Foster et al.
patent: 3885813 (1975-05-01), Kern
patent: 4542592 (1985-09-01), Hopkins
patent: 5791676 (1998-08-01), Jones
patent: 5806196 (1998-09-01), Gibbs et al.

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