Electrocardiographic recording paper

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Description

FIG. 1 is a top plan view of an electrocardiographic recording paper showing my new design;

FIG. 2 is an enlarged top plan portion of the recording paper, shown for clarity of illustration;

FIG. 3 is a side elevation of FIG. 1; and

FIG. 4 is a rear elevation thereof.

The undisclosed bottom portion of the recording paper is plane and unornamented.

Referenced Cited
U.S. Patent Documents
D217577 May 1970 Couve
D256616 August 26, 1980 Stuckelman
D267044 November 23, 1982 Birath
2124208 July 1938 Paully
3027891 April 1962 Fields
4050079 September 20, 1977 Pegnim et al.
4090505 May 23, 1978 Mortara
Other references
  • Keuffel and Esser Co., 1936, p. 52, top of page cross-section paper.
Patent History
Patent number: D271334
Type: Grant
Filed: Mar 2, 1981
Date of Patent: Nov 8, 1983
Assignee: Cambridge Instruments, Inc. (Ossining, NY)
Inventor: Hyman Grossman (Buchanan, NY)
Primary Examiner: Bernard Ansher
Attorney: Eugene E. Geoffrey, Jr.
Application Number: 6/239,462
Classifications
Current U.S. Class: D24/99; D24/17
International Classification: D2499;