Unitary, disposable filter unit

- Sybron Corporation
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Description

FIG. 1 is a top plan view of a unitary disposable filter unit showing our new design;

FIG. 2 is a left side elevation of the unit shown in FIG. 1;

FIG. 3 is a front elevation thereof;

FIG. 4 is a right elevation thereof; and

FIG. 5 is a bottom plan view thereof.

The undisclosed opposite side of FIG. 3 is a mirror image of the side shown .

Referenced Cited
U.S. Patent Documents
D242655 December 7, 1976 Cade
D248495 July 11, 1978 Nakao et al.
D250129 October 31, 1978 Skinner
D261413 October 20, 1981 Eddleman
D264248 May 4, 1982 Steigerwald
3295686 January 1967 Krueger
4180383 December 25, 1979 Johnson
Other references
  • Cole-Parmer Cat. 1979-1980, .COPYRGT.1978, p. 274, Sterile, Disposable Filter Unit.
Patent History
Patent number: D270947
Type: Grant
Filed: Mar 2, 1981
Date of Patent: Oct 11, 1983
Assignee: Sybron Corporation (Rochester, NY)
Inventors: Ravinder C. Mehra (Fairport, NY), Heinz W. Hahn (Rochester, NY), Raj K. Aggarwal (Penfield, NY)
Primary Examiner: Bernard Ansher
Attorneys: Robert A. Gerlach, Roger Aceto
Application Number: 6/239,321
Classifications
Current U.S. Class: D24/57; D24/8; D24/56; D23/4
International Classification: D2499;