Periscopes

Details Periscopes Periscopes

2001-12-20

2002-07-23

Mortimer, Paula A. (Department: 2912)

Photography and optical equipment

Optical article not elsewhere specified

Design Patent

active

D0460771

CLAIM:
The ornamental design for periscopes, as shown.

REFERENCES:
patent: 778694 (1904-12-01), Mustin
patent: D236284 (1975-08-01), Miller
patent: D279131 (1985-06-01), McDaris
patent: 4887893 (1989-12-01), Dahlgron
patent: D347440 (1994-05-01), Holznagel

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