Volume adjustment knob for power microphone
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Description
FIG. 1 is a reduced perspective view of a volume adjustment knob for a power microphone as seen from the bottom of the microphone showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a side view thereof, taken at a 90.degree. angle of FIG. 3; and
FIG. 5 is a top plan view thereof.
In FIG. 1 the subject matter in broken lines is for illustrative purposes only and does not form part of my design. The knob is shown without design detail to merely illustrate its position in use.
Referenced Cited
U.S. Patent Documents
D181065 | September 1957 | Middlemark |
2720176 | October 1955 | Babbitt |
Patent History
Patent number: D256549
Type: Grant
Filed: Jan 30, 1978
Date of Patent: Aug 26, 1980
Assignee: Ken-Herr & Associates (Southfield, MI)
Inventor: Kenneth W. Maurin (Fraser, MI)
Primary Examiner: Sam Rosen
Attorney: Allen M. Krass
Application Number: 5/873,380
Type: Grant
Filed: Jan 30, 1978
Date of Patent: Aug 26, 1980
Assignee: Ken-Herr & Associates (Southfield, MI)
Inventor: Kenneth W. Maurin (Fraser, MI)
Primary Examiner: Sam Rosen
Attorney: Allen M. Krass
Application Number: 5/873,380
Classifications
Current U.S. Class:
D/8312
International Classification: D0806;
International Classification: D0806;