Utility pole installation system

Material or article handling – Pole or tree handlers

Reexamination Certificate

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Details

C037S323000

Reexamination Certificate

active

06857837

ABSTRACT:
A utility pole installation system, comprising a hydrovac unit having a chassis and a utility pole positioner mounted on the chassis. The hydrovac unit has an internal combustion engine mounted on the chassis, and a hydrovac boom mounted on the chassis. A hydraulic power supply mounted on the chassis is powered by the internal combustion engine and used to power both the hydrovac boom and the utility pole positioner.

REFERENCES:
patent: 491748 (1893-02-01), Urie
patent: 3630243 (1971-12-01), Hamilton et al.
patent: 3631991 (1972-01-01), Wacht et al.
patent: 4067369 (1978-01-01), Harmon
patent: 4362451 (1982-12-01), Thiermann
patent: 5016717 (1991-05-01), Simons et al.
patent: 5425188 (1995-06-01), Rinker
patent: 5450912 (1995-09-01), Cahill et al.
patent: 5487228 (1996-01-01), Marazzo et al.
patent: 5876174 (1999-03-01), Arsenault
patent: 6273512 (2001-08-01), Rajewski
patent: 6453584 (2002-09-01), Buckner
patent: 20020119030 (2002-08-01), Hensler
Terex Telelect product brochures, 6 pages, believed to be dated Sep., 2000.
Canadian Patent Application 2,317,667, filed Sep. 6, 2000, published Mar. 8, 2001.
American Hydrovac & Excavation product brochure, 3 pages, dated May, 1999, date indicated is when equipment shown in brochure was used in the United States for utility pole digging according to person at company.

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