Teaching clock
Description
FIG. 1 is a front view of a teaching clock showing my new design. The hands and face are of conventional thickness.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 2172450 | September 1939 | Pitcher |
| 2647330 | August 1953 | Ford |
| 3702507 | November 1972 | Romey |
| 1485650 | May 1967 | FRX |
| 1231240 | May 1971 | GBX |
Patent History
Patent number: D273873
Type: Grant
Filed: Jul 13, 1981
Date of Patent: May 15, 1984
Inventor: Frank Alessio (Brooklyn, NY)
Primary Examiner: Melvin B. Feifer
Law Firm: Scully, Scott, Murphy & Presser
Application Number: 6/282,550
Type: Grant
Filed: Jul 13, 1981
Date of Patent: May 15, 1984
Inventor: Frank Alessio (Brooklyn, NY)
Primary Examiner: Melvin B. Feifer
Law Firm: Scully, Scott, Murphy & Presser
Application Number: 6/282,550
Classifications
Current U.S. Class:
Movable Indicator Or Changeable Exhibitor (D19/64)
