Protractor with a movable arm

Details Protractor with a movable arm Protractor with a movable arm

2007-12-11

2007-12-11

Davis, Antoine D. (Department: 2915)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

29264081

CLAIM:
We claim the ornamental design for a protractor with a moveable arm, as shown and described.

REFERENCES:
patent: 4731933 (1988-03-01), Cope
patent: 5113590 (1992-05-01), Shapiro et al.
patent: D398867 (1998-09-01), Taylor
patent: 6457247 (2002-10-01), Lin
patent: D469368 (2003-01-01), Lin
patent: D502115 (2005-02-01), Chudek et al.

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