Light weight self inflating foam core

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Description

FIG. 1 is a perspective view of our new light weight self inflating foam core showing the design;

FIG. 2 is a front elevational view thereof shown at a slightly reduced scale;

FIG. 3 left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D34028 February 1901 Ault
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D375426 November 12, 1996 Bonaddio et al.
D375844 November 26, 1996 Edwards et al.
D407937 April 13, 1999 Klimenko
2834809 May 1958 Schutte et al.
3190412 June 1965 Rutter et al.
4142334 March 6, 1979 Kirsch et al.
4609580 September 2, 1986 Rockett et al.
5452487 September 26, 1995 Leggett
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5836027 November 17, 1998 Leventhal et al.
Patent History
Patent number: D422151
Type: Grant
Filed: Dec 4, 1998
Date of Patent: Apr 4, 2000
Inventors: Mu-Ing Hwang (Taipei), Mike Hwang (Taipei)
Primary Examiner: Robert M. Spear
Attorney: Don Finkelstein
Application Number: 0/97,331
Classifications
Current U.S. Class: D 5/59; D5/99
International Classification: 0599;