Calibration port adaptor for a gas sensor

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Description

FIG. 1 is a top and right, front perspective view of a calibration port adaptor for a gas sensor showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D43987 May 1913 Boyce
D113323 February 1939 Campbell
1003229 September 1911 Bristol
1564649 December 1925 Vinnemeier
2897675 August 1959 Kocher
3209579 October 1965 Roberts
4489590 December 25, 1984 Hadden
4553423 November 19, 1985 Tanimoto
Patent History
Patent number: D302950
Type: Grant
Filed: Nov 25, 1986
Date of Patent: Aug 22, 1989
Inventor: Monty Boyd (New Orleans, LA)
Primary Examiner: Nelson C. Holtje
Attorney: George A. Bode
Application Number: 6/934,935