Fluid flow indicator

- Mobil Oil AB Sweden

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Description

FIG. 1 is a front elevational view of a fluid flow indicator showing my new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image thereto;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D53686 August 1919 Martell
D195226 May 1963 Busillo
D221476 August 1971 Martin
3141331 July 1964 Wilson
4050305 September 27, 1977 Evans
Other references
  • Schutte & Koerting Bulletin M-1-12/65-Flow Measuring Instruments.
Patent History
Patent number: D256000
Type: Grant
Filed: Apr 7, 1978
Date of Patent: Jul 22, 1980
Assignee: Mobil Oil AB Sweden (Danderyd)
Inventor: Sture G. Molijn (Linkoping)
Primary Examiner: Nelson C. Holtje
Attorney: Norman P. Solaway
Application Number: 5/894,630
Classifications
Current U.S. Class: Volume, Flow Or Rate (D10/96)
International Classification: D1004;