Periscope

Details Periscope Periscope

2005-08-16

2005-08-16

Greene, Paula A. (Department: 2912)

Photography and optical equipment

Optical article not elsewhere specified

Design Patent

active

D0508509

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

REFERENCES:
patent: 1480112 (1924-01-01), Poppenhusen
patent: 1837208 (1931-12-01), Cover
patent: 2325253 (1943-07-01), Laging
patent: 3801187 (1974-04-01), McMichael
patent: 4195922 (1980-04-01), Hajnal
patent: 4580886 (1986-04-01), Hajnal
patent: 4868588 (1989-09-01), Hajnal
patent: 4887893 (1989-12-01), Dahlgren
patent: D347440 (1994-05-01), Holznagel
patent: 5469236 (1995-11-01), Roessel
patent: 5943163 (1999-08-01), Tartaglia
patent: D460771 (2002-07-01), Kung

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