Plankton net

Description

FIG. 1 is a top view of the mouth of the plankton net showing my new design,

FIG. 2 is a side view of the mouth of the plankton net,

FIG. 3 is a side view of the net bucket,

FIG. 4 is a bottom view of the net bucket; and

FIG. 5 is a side view of the plankton net showing my new design.

Referenced Cited
U.S. Patent Documents
2767501 October 1956 Bjorksten
3688433 September 1972 Niskin
3900982 August 1975 Gale
Patent History
Patent number: D256490
Type: Grant
Filed: Oct 25, 1977
Date of Patent: Aug 19, 1980
Inventor: Harold E. Schlichting, Jr. (Village of Port Sanilac, MI)
Primary Examiner: A. Hugo Word
Application Number: 5/845,167
Classifications
Current U.S. Class: D22/22
International Classification: D2205;