Programmable sequence controller

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Description

FIG. 1 is a perspective view of a programmable sequence controller embodying my new deisgn;

FIG. 2 is a rear elevational view of the programmable sequence controller shown in FIG. 1;

FIG. 3 is a front elevational view of the programmable sequence controller shown in FIG. 1;

FIG. 4 is a top plan view of the programmable sequence controller shown in FIG. 1;

FIG. 5 is a right side elevational view of the programmable sequence controller shown in FIG. 1, the left side elevational view being a mirror image thereof; and

FIG. 6 is a bottom plan view of the programmable sequence controller shown in FIG. 1.

Referenced Cited
U.S. Patent Documents
D225594 December 1972 Brooks et al.
Other references
  • Tec-Lite Data Panel Display Systems Flyer, 1971, front page, TRW System Display.
Patent History
Patent number: D254613
Type: Grant
Filed: Jul 25, 1977
Date of Patent: Apr 1, 1980
Assignee: Andover Controls Corporation (Andover, MA)
Inventor: Charles M. Ault (Arlington, MA)
Primary Examiner: Susan J. Lucas
Law Firm: Mattern, Ware, Davis & Stoltz
Application Number: 5/818,984
Classifications
Current U.S. Class: D13/12; D14/43
International Classification: D1303; D1402;