Patent
   D266315
Priority
Aug 12 1980
Filed
Aug 12 1980
Issued
Sep 28 1982
Expiry
Sep 28 1996
Assg.orig
Entity
unknown
0
10
n/a
The ornamental design for a hydrometer, substantially as shown and described.

FIG. 1 is a top perspective view of a hydrometer showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevational view of another embodiment of my new design of FIGS. 1-5 with a stem sheath added thereto;

FIG. 7 is a bottom plan view of FIG. 6.

Tamm, Ulf S.

Patent Priority Assignee Title
Patent Priority Assignee Title
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4074025, Mar 29 1976 Miyagawa Kasei Industry Co., Ltd. Indicating device for storage battery
150328,
190096,
199083,
217499,
239924,
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