Filter sheet support element

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Description

FIG. 1 is a perspective view of a filter sheet support element, showing my new design;

FIG. 2 is a top plan view thereof, the bottom plan view being identical thereto;

FIG. 3 is a right side elevational view thereof, the left side elevational view being identical thereto; and,

FIG. 4 is a front elevational view thereof, the rear elevational view being identical thereto.

Referenced Cited
U.S. Patent Documents
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Foreign Patent Documents
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Other references
  • Prostak.TM. Bench Top Development System Lit No. SD200, Aug. 1986. "Laboratory Ultra Filtration Products for Improved Biological Recovery", Lit. No. AB841, Oct. 1988. "Shorten the Race to the Market with Millipore Pilot and Process Systems", Lit. No. SD100, Jan. 1988.
Patent History
Patent number: D328789
Type: Grant
Filed: Mar 1, 1990
Date of Patent: Aug 18, 1992
Inventor: Henry B. Kopf (Cary, NC)
Primary Examiner: Stella Reid
Attorney: Steven J. Hultquist
Application Number: 7/487,180
Classifications
Current U.S. Class: Filter (37) (D24/162)