Toy helicopter
Description
FIG. 1 is a right side, front perspective view showing my new design for a toy helicopter;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom elevational view thereof.
Referenced Cited
U.S. Patent Documents
D191244 | August 1961 | Piazecki |
D210934 | August 1965 | Graham |
D213650 | March 1969 | Cardoso |
D287256 | December 16, 1986 | Jones et al. |
Patent History
Patent number: D372741
Type: Grant
Filed: Sep 26, 1995
Date of Patent: Aug 13, 1996
Inventor: Wen H. Tsai (Taipei)
Primary Examiner: Dominic Simone
Law Firm: Pro-Techtor International
Application Number: 0/44,523
Type: Grant
Filed: Sep 26, 1995
Date of Patent: Aug 13, 1996
Inventor: Wen H. Tsai (Taipei)
Primary Examiner: Dominic Simone
Law Firm: Pro-Techtor International
Application Number: 0/44,523
Classifications
Current U.S. Class:
D21/87;
Rotary Wing, I.e., Lift During Horizontal Flight Maintained By Moving Airfoil (D12/327);
D21/90