Backrest support frame for a chair
Description
FIG. 1 is a perspective view of backrest support frame for a chair showing my new design;
FIG. 2 is a right side view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Claims
The ornamental design for a backrest support frame for a chair, as shown and described.
Referenced Cited
U.S. Patent Documents
2577050 | December 1951 | Van Buren |
2599301 | June 1952 | Van Buren |
2784769 | March 1957 | Fisher |
2847062 | August 1958 | Henrikson et al. |
3059971 | October 1962 | Becker |
3720442 | March 1973 | Bergmann et al. |
5711576 | January 27, 1998 | Olson et al. |
Patent History
Patent number: D450209
Type: Grant
Filed: Apr 27, 1999
Date of Patent: Nov 13, 2001
Inventor: Zi-Wen Cao (Taichung)
Primary Examiner: Doris V. Coles
Assistant Examiner: Mimosa De
Application Number: 29/104,033
Type: Grant
Filed: Apr 27, 1999
Date of Patent: Nov 13, 2001
Inventor: Zi-Wen Cao (Taichung)
Primary Examiner: Doris V. Coles
Assistant Examiner: Mimosa De
Application Number: 29/104,033
Classifications
Current U.S. Class:
D6/500
International Classification: 0606;
International Classification: 0606;