United States Patent D256,798
Scholz September 9, 1980

Constant distortion volume control unit


The ornamental design for a constant distortion volume control unit, as shown and described.
Inventors: Scholz; Donald T. (13 Rich Valley Rd., Wayland, MA 01778)
Appl. No.: 883350
Filed: March 3, 1978

Current U.S. Class: D14/217
Intern'l Class: D1499/
Field of Search: D14/58,92,95,96 179/1 R,1 A,37,15,1 VL,1 E 84/1.27,1.26,1.25

References Cited [Referenced By]

U.S. Patent Documents
D159458Jul., 1950ZapolskiD14/92.
D168614Jan., 1953FloriaD14/92.
D199677Dec., 1964MattinglyD14/92.
D211092May., 1968KahnD14/92.
D228922Oct., 1973PruyneD14/92.
D244214May., 1977RossD14/96.
D244215May., 1977RossD14/96.

Other References

Allied Electronics for Everyone, 1968, P. 185, Talk-A-Phone, item No. #12B8054-X.

Primary Examiner: Ansher; Bernard
Attorney, Agent or Firm: Bookstein; Arthur Z.


FIG. 1 is a front perspective view of a constant distortion volume control unit, showing my new design;

FIG. 2 is a front elevation of the unit;

FIG. 3 is a left side elevation of the unit as seen from the left of FIG. 2;

FIG. 4 is a rear elevation of the unit;

FIG. 5 is a top plan view of the unit; and

FIG. 6 is a bottom plan view of the unit.

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