Catenary arch barrel building toy
Description
FIG. 1 is a front perspective view of a catenary arch barrel building toy showing my new design, the side opposite being a mirror image;
FIG. 2 is a right side elevational view thereof, the side opposite being a mirror image;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is an enlarged scale view of one of the bottom barrel-shaped building elements resting on the toy base.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D206012 | October 1966 | Kristiansen |
604708 | May 1898 | Burton |
1568252 | January 1926 | Strub |
1878373 | September 1932 | Breeser |
3604145 | September 1971 | Zimmerman |
1174756 | March 1959 | FRX |
Patent History
Patent number: D304465
Type: Grant
Filed: Mar 18, 1988
Date of Patent: Nov 7, 1989
Inventor: Donald L. Andrews (Sanibel, FL)
Primary Examiner: Charles A. Rademaker
Assistant Examiner: Alicia A. Farrell
Attorney: Merrill N. Johnson
Application Number: 7/169,764
Type: Grant
Filed: Mar 18, 1988
Date of Patent: Nov 7, 1989
Inventor: Donald L. Andrews (Sanibel, FL)
Primary Examiner: Charles A. Rademaker
Assistant Examiner: Alicia A. Farrell
Attorney: Merrill N. Johnson
Application Number: 7/169,764
Classifications
Current U.S. Class:
D21/59;
D21/108;
D21/114