Hydraulic locking valve
Description
FIG. 1 is a side elevational view of a hydraulic locking valve embodying my new design;
FIG. 2 is a top plan view thereof; and _
FIG. 3 is a bottom plan view thereof.
A side elevational view taken from any side other than _that shown in FIG. 1 is identical thereto.
Referenced Cited
U.S. Patent Documents
| D232086 | July 1974 | Graham |
Patent History
Patent number: D268512
Type: Grant
Filed: Aug 25, 1980
Date of Patent: Apr 5, 1983
Assignee: Roger W. Boeckers (White Bear Lake, MN)
Inventor: Douglas E. Lien (Blaine, MN)
Primary Examiner: Catherine E. Kemper
Law Firm: Schroeder, Siegfried, Vidas, Steffey & Arrett
Application Number: 6/180,709
Type: Grant
Filed: Aug 25, 1980
Date of Patent: Apr 5, 1983
Assignee: Roger W. Boeckers (White Bear Lake, MN)
Inventor: Douglas E. Lien (Blaine, MN)
Primary Examiner: Catherine E. Kemper
Law Firm: Schroeder, Siegfried, Vidas, Steffey & Arrett
Application Number: 6/180,709
Classifications
Current U.S. Class:
D23/19
International Classification: D2301;
International Classification: D2301;
