Chromatographic on-column injector

- J & W Scientific, Inc.
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Description

FIG. 1 is a front elevational view of a chromatographic capillary on-column injector, showing our new design, the rear elevational view being a mirror image thereof;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is an elevational view of the right-hand side thereof; and,

FIG. 5 is an elevational view of the left-hand side thereof.

Referenced Cited
U.S. Patent Documents
D245482 August 23, 1977 Flinta et al.
D251011 February 6, 1979 Krechel et al.
D266151 September 14, 1982 Dawson
Other references
  • Sargent Scientific Laboratory Instruments, .COPYRGT.1961, p. 278, Item No. S-18821, Chromatographic Tube. Cole-Parmer Cat.-1979-1980, p. 29, Universal Fraction Collector, Item No. 1473.
Patent History
Patent number: D271085
Type: Grant
Filed: Apr 27, 1981
Date of Patent: Oct 25, 1983
Assignee: J & W Scientific, Inc. (Rancho Cordova, CA)
Inventors: Norman W. Wohlers (Davis, CA), Rand G. Jenkins (Fair Oaks, CA)
Primary Examiner: Bernard Ansher
Law Firm: Townsend and Townsend
Application Number: 6/257,959
Classifications
Current U.S. Class: Measuring, Regulating Or Indicating Instrument, Or Casing (D10/46); D24/8
International Classification: D1004; D2499;