Projection kaleidoscope
Description
FIG. 1 is a front perspective view of the novel projection kaleidoscope;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right side elevation view thereof; and
FIG. 5 is a left front side perspective view thereof.
The bottom of the projection _kaleidscope is flat and plain.
Referenced Cited
U.S. Patent Documents
D25391 | April 1896 | Williams |
3000123 | September 1961 | Hicks |
3809879 | May 1974 | Gonzalez |
Patent History
Patent number: D265095
Type: Grant
Filed: Mar 23, 1979
Date of Patent: Jun 22, 1982
Inventor: Lawrence M. Butler (Lexington, MA)
Primary Examiner: Peter M. Caun
Law Firm: Weingarten, Schurgin & Gagnebin
Application Number: 6/23,326
Type: Grant
Filed: Mar 23, 1979
Date of Patent: Jun 22, 1982
Inventor: Lawrence M. Butler (Lexington, MA)
Primary Examiner: Peter M. Caun
Law Firm: Weingarten, Schurgin & Gagnebin
Application Number: 6/23,326
Classifications
Current U.S. Class:
D16/11;
D21/60
International Classification: D1602;
International Classification: D1602;