- Filac Corporation

FIG. 1 is a perspective view of the sphygmometer showing my new design;

FIG. 2 is a plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D244235 May 3, 1977 Lichowsky
D250896 January 23, 1979 Huber et al.
2020469 November 1935 Laufman et al.
3935984 February 3, 1976 Lichowsky et al.
4109646 August 29, 1978 Keller
Patent History
Patent number: D254629
Type: Grant
Filed: Oct 20, 1977
Date of Patent: Apr 1, 1980
Assignee: Filac Corporation
Inventor: David H. Yen (Saratoga, CA)
Primary Examiner: Bernard Ansher
Attorney: Paul D. Flehr
Application Number: 5/844,111
Current U.S. Class: D24/21; D24/11
International Classification: D2401;