Pipelayer

- Caterpillar Tractor Co.
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Description

FIG. 1 is a right side elevational view of a pipelayer showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D230300 February 1974 Oestmann et al.
4042116 August 16, 1977 Bertolino
4083459 April 11, 1978 Allen
Other references
  • Construction Methods & Equipment, 3/77, p. 38, Pipelayer, center of page. Caterpillar-Built Pipelayers, no date provided, Pipelayer on front cover. Caterpillar D10 Brochure AECQ9072-01, no date provided, D-10 Track-Type Tractor, inside rear cover.
Patent History
Patent number: D263051
Type: Grant
Filed: Jul 16, 1979
Date of Patent: Feb 16, 1982
Assignee: Caterpillar Tractor Co. (Peoria, IL)
Inventors: Jan K. Allen (Chillicothe, IL), Phillip W. Hess (East Peoria, IL)
Primary Examiner: James M. Gandy
Attorney: William B. Heming
Application Number: 6/57,863
Classifications
Current U.S. Class: Endless Track (D15/24)
International Classification: D1504;