The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 1977
Filed:
Dec. 29, 1975
Applicant:
Inventors:
Hitoshi Kobayashi, Tenjinchou, Koyfu, Yamanashi, JA;
Jirou Tatemoto, Koufu, Yamanashi, JA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01G / ;
U.S. Cl.
CPC ...
47 62 ; 47 83 ;
Abstract
An apparatus for hydroponic cultivation comprising a collector tank for a culture liquid and an upright cultivating tube erected on the collector tank. A plurality of plant holder units are mounted on the cultivating tube and are adapted for receiving cultivating liquid therefrom. A cistern is mounted on the cultivating tube at the top thereof and it contains a siphon generating mechanism. An air mixer in the collector tank is connected to an air pump and serves to mix air with culture liquid to feed the same via a supply pipe to the cistern.