Valve actuator control unit

- Quadrastat Corporation
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is an elevational view of one side of a valve actuator control unit, showing our new design;

FIG. 2 is a right end elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is an elevational view of the side opposite that shown in FIG. 1; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D99288 January 1935 Teahen
D101030 September 1936 Flodin
D121785 August 1940 Ernst
D185071 May 1959 Dickinson
D215935 November 1969 Gens
D227245 June 1973 Hess
D250416 November 28, 1978 Price
D266518 October 12, 1982 Harris
2284413 May 1942 Frentzel, Jr.
3918496 November 1975 Byprs, Jr.
3954250 May 4, 1976 Grace
4235415 November 25, 1980 Heekenkauip
4319664 March 16, 1982 Price et al.
Foreign Patent Documents
1604616 December 1981 GBX
Other references
  • Muncie Power Products, Inc., Cat. MP82-02, Valve Control System.
Patent History
Patent number: D285717
Type: Grant
Filed: Jun 13, 1983
Date of Patent: Sep 16, 1986
Assignee: Quadrastat Corporation (City of Industry, CA)
Inventors: Peter D. Adams (La Canada, CA), John M. Hartshorne (Chino, CA)
Primary Examiner: James R. Largen
Law Firm: Whann & McManigal
Application Number: 6/504,025
Classifications
Current U.S. Class: D23/19; D23/1; Brake Or Gear Shift Lever Or Unit (D12/179)