Toy helicopter
Description
FIG. 1 is a perspective view showing our new design for toy helicopter;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational 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 view thereof.
Referenced Cited
U.S. Patent Documents
D211804 | July 1968 | Genin |
D225654 | December 1972 | Spiegel |
D372741 | August 13, 1996 | Tsai |
Patent History
Patent number: D421279
Type: Grant
Filed: Apr 12, 1999
Date of Patent: Feb 29, 2000
Inventor: Wen-Ho Tsai (Taipei)
Primary Examiner: Dominic Simone
Law Firm: Dougherty & Troxell
Application Number: 0/103,247
Type: Grant
Filed: Apr 12, 1999
Date of Patent: Feb 29, 2000
Inventor: Wen-Ho Tsai (Taipei)
Primary Examiner: Dominic Simone
Law Firm: Dougherty & Troxell
Application Number: 0/103,247
Classifications