Electrical circuit board

- K. W. Muth Company, Inc.
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Description

FIG. 1 is a perspective view of the electrical circuit board showing my new design;

FIG. 2 is a top plan view of the electrical circuit board showing my new design;

FIG. 3 is a bottom plan view of the electrical circuit board showing my new design;

FIG. 4 is an end view of the electrical circuit board showing my new design;

FIG. 5 is an end view of the electrical circuit board opposite to that shown in FIG. 4, and showing my new design;

FIG. 6 is a side elevation view of the electrical circuit board showing my new design;

FIG. 7 is a side elevation view of the electrical circuit board opposite to that shown in FIG. 6, and showing my new design; and,

FIG. 8 is a bottom perspective view of the electrical circuit board showing my new design.

The broken line in FIGS. 3 and 8 is used for manufacturing purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
4599680 July 8, 1986 Gibson et al.
4869680 September 26, 1989 Yamamoto et al.
4914552 April 3, 1990 Kecmer
4916575 April 10, 1990 Van Asten
Other references
  • Switch regulator on p. 113 of EDN Jun. 21, 1990. Circuit board on p. 63 of EDN Jan. 1991. Circuit board on p. 136 of EDN Feb. 18, 1991.
Patent History
Patent number: D363920
Type: Grant
Filed: Dec 2, 1992
Date of Patent: Nov 7, 1995
Assignee: K. W. Muth Company, Inc. (Sheboygan, WI)
Inventors: John K. Roberts (Sheboygan, WI), Keith R. Spencer (Sheboygan, WI)
Primary Examiner: Joel Sincavage
Law Firm: Wells, St. John, Roberts, Gregory & Matkin
Application Number: 0/2,113