Fluid cushioning device

Description

FIG. 1 is a front, top and side perspective view of the fluid cushioning device embodying the design of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a cross sectional view taken along line 6--6 of FIG. 4.

Referenced Cited
U.S. Patent Documents
97579 December 1869 Wittram
124436 March 1872 Guest
2897520 August 1959 Bradford
3280410 October 1966 Propst et al.
3363941 January 1968 Wierwille
3495874 February 1970 Dean
3974827 August 17, 1976 Bodeen
3984886 October 12, 1976 Keeton
4120661 October 17, 1978 Clark
4629253 December 16, 1986 Williams
4738486 April 19, 1988 Surber
5065465 November 19, 1991 Nystad
5228156 July 20, 1993 Wang
5232061 August 3, 1993 Neeleman
5243722 September 14, 1993 Gusakov
Foreign Patent Documents
617480 February 1961 ITX
Patent History
Patent number: D381574
Type: Grant
Filed: Nov 15, 1995
Date of Patent: Jul 29, 1997
Inventor: Brian W. Kruszka (Clinton Township, MI)
Primary Examiner: Ted Shooman
Assistant Examiner: C. Tuttle
Attorney: Dennis H. Lambert
Application Number: 0/46,463
Classifications
Current U.S. Class: D/8499; D6/504
International Classification: 0899;