Indicator for classroom control and education
Description
FIG. 1 is a perspective view of an indicator for classroom control and education, showing my new design;
FIG. 2 is a side elevation view thereof;
FIG. 3 is a perspective view of the design with the top disc in its operative position and the remaining two discs in a storage position;
FIG. 4 is a view similar to FIG. 3, but with _the middle disc in its operative position and the remaining two discs in a storage position; and
FIG. 5 is a view similar to FIG. 3, but with the lower disc in its operative position and the remaining two discs in a storage position.
The back side of the design as seen in FIG. 1 is substantially plain and unornamented.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
2854765 | October 1958 | Rickless |
3304627 | February 1967 | Cella |
3685170 | August 1972 | Fairleigh |
3769720 | November 1973 | Terrones |
684172 | December 1952 | GBX |
Patent History
Patent number: D265100
Type: Grant
Filed: Oct 4, 1979
Date of Patent: Jun 22, 1982
Inventor: Ruth R. Oettinger (Albemarle, NC)
Primary Examiner: Lester L. Lee
Law Firm: Bell, Seltzer, Park & Gibson
Application Number: 6/81,865
Type: Grant
Filed: Oct 4, 1979
Date of Patent: Jun 22, 1982
Inventor: Ruth R. Oettinger (Albemarle, NC)
Primary Examiner: Lester L. Lee
Law Firm: Bell, Seltzer, Park & Gibson
Application Number: 6/81,865
Classifications
Current U.S. Class:
Movable Indicator Or Changeable Exhibitor (D19/64);
Teaching Material (D19/59);
Demonstrator Or Exhibitor (10) (D19/62)
International Classification: D1907;
International Classification: D1907;