Flat compass for marking large arcs

Details Flat compass for marking large arcs Flat compass for marking large arcs

2008-07-08

2008-07-08

Davis, Antoine D (Department: 2915)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0572611

CLAIM:
The ornamental design for a flat compass for marking large arcs, as shown and described.

REFERENCES:
patent: 1005827 (1911-10-01), Gombarts
patent: 2419752 (1947-04-01), Zumbuhl
patent: 2681507 (1954-06-01), Underwood
patent: 2818644 (1958-01-01), Crawford
patent: 4334360 (1982-06-01), Burns et al.
patent: 4616418 (1986-10-01), Wade, III
patent: 5033197 (1991-07-01), Irvello
patent: 5651184 (1997-07-01), Tutty
patent: 2003/0182811 (2003-10-01), Hairapetian

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