Heating unit for use in melting and keeping hydrocolloid cartridges in liquid form

Description

FIG. 1 is a front elevational view of the heating unit for use in melting and keeping hydrocolloid cartridges in liquid form showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a top and right side perspective view thereof.

The rear and bottom of the design are flat and unornamented.

Claims

The ornamental design for a heating unit for use in melting and keeping hydrocolloid cartridges in liquid form, as shown and described.

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Inventors:	Burridge; Robert E. (Santa Barbara, CA)
Assignee:	Belport Co., Inc. (Camarillo, CA)
Appl. No.:	07/636,992
Filed:	December 31, 1990

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Current U.S. Class:	D23/335
Field of Search:	;D23/335 ;219/521,585,386

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References Cited [Referenced By]

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U.S. Patent Documents

3335459	August 1967	Tyrner
4713523	December 1987	MacDonald

Primary Examiner: Burke; Wallace R.
Assistant Examiner: Lichenstein; Lisa
Attorney, Agent or Firm: Munro; Jack C.