Patent
   D256250
Priority
Mar 13 1978
Filed
Mar 13 1978
Issued
Aug 05 1980
Expiry
Aug 05 1994
Assg.orig
Entity
unknown
1
4
n/a
The ornamental design for a collapsible periscope, as shown and described.

FIG. 1 is a front perspective view of a collapsible periscope embodying my new design, shown in an extended position;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an elevational view from the opposite side of FIG. 1;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a view similar to FIG. 1, but shown in a collapsed position; and

FIG. 6 is a rear perspective view thereof.

Tosaw, Richard T.

Patent Priority Assignee Title
D349295, Jan 31 1992 Pocket microscope
Patent Priority Assignee Title
3357777,
3551032,
3619040,
236284,
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