Sealing collar for aircraft servicing pit

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Description

FIG. 1 is a perspective view of a sealing collar for aircraft servicing pit showing my new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged side elevational view thereof; and

FIG. 4 is an enlarged bottom plan view thereof.

The broken line showing of environmental structure in FIG. 3 of the drawing is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D273413 April 10, 1984 McMurray
2497577 February 1950 Biggerstaff
4278115 July 14, 1981 Briles et al.
4467932 August 28, 1984 Dabich
4593714 June 10, 1986 Madden
4659251 April 21, 1987 Petter et al.
Other references
  • Catalog pages F-1.0 and F-2.0 published by Culligan & McCallum, Inc. dated 1-1-81. Catalog pages Inst 3-0 published by Culligan & McCallum, Inc. dated 1-1-81.
Patent History
Patent number: D322660
Type: Grant
Filed: Apr 25, 1988
Date of Patent: Dec 24, 1991
Inventor: Kathyleen D. Moss (Garden Grove, CA)
Primary Examiner: James M. Gandy
Attorney: Charles H. Thomas
Application Number: 7/185,803
Classifications
Current U.S. Class: Gasket Or Packing (D23/269)