Wheelchair tire chain
Description
FIG. 1 is a front elevational view of the wheelchair tire chain showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a plan view of the invention showing a use thereof; and,
FIG. 8 is a top perspective view thereof.
Referenced Cited
U.S. Patent Documents
1469312 | October 1923 | Dean |
1492334 | April 1924 | LeGar |
1494289 | May 1924 | Round |
4185674 | January 29, 1980 | Giannone |
Patent History
Patent number: D340435
Type: Grant
Filed: Aug 19, 1991
Date of Patent: Oct 19, 1993
Inventor: Sonja K. Johnson (Rigby, ID)
Primary Examiner: Kay H. Chin
Attorney: Leon Gilden
Application Number: 7/746,895
Type: Grant
Filed: Aug 19, 1991
Date of Patent: Oct 19, 1993
Inventor: Sonja K. Johnson (Rigby, ID)
Primary Examiner: Kay H. Chin
Attorney: Leon Gilden
Application Number: 7/746,895
Classifications
Current U.S. Class:
Element Or Attachment (D12/133);
D12/154