Protractor compass

Details Protractor compass Protractor compass

2011-04-19

2011-04-19

Davis, Antoine D (Department: 2917)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0636281

CLAIM:
The ornamental design for a protractor compass, as shown and described.

REFERENCES:
patent: 4438568 (1984-03-01), Kramer et al.
patent: 5146687 (1992-09-01), Kjellstrom
patent: D401168 (1998-11-01), Wallberg
patent: D422226 (2000-04-01), Villeneuve
patent: D435465 (2000-12-01), Yusa
patent: D435466 (2000-12-01), Yusa
patent: 6292137 (2001-09-01), Agnew et al.

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