• US 20160041303A1
  • Filed: 07/30/2015
  • Published: 02/11/2016
  • Est. Priority Date: 02/16/2011
  • Status: Active Grant
First Claim
Patent Images

1. An observation device comprising:

  • a handle having on a lower end side thereof an end portion comprising a tapered rod portion, the handle comprising a protruding portion that protrudes outwardly from a side of the handle with respect to the tapered rod portion,wherein the handle is formed so as to be held by a user to stick the rod portion into soil in a state that an index finger is applied on the handle from underneath and that a finger pad of a thumb presses against an upper end surface of the handle.

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