Patent · US Expired

Crayfish harvester

US4858363A · kind A · utility

1Cited by
5References
11Claims
0Family size

Inventor

Key dates

Filing dateDec 19, 1988
Grant dateAug 22, 1989
Priority date
Expiry dateDec 19, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01K80/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An apparatus for harvesting crayfish and similar crustaceans from ponds utilizing a hollow tube placed in the pond and provided with openings sized to allow crayfish to enter the hollow tube where they are pushed through the tube by the action of a plug being moved through the tube.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.