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:
Feb. 11, 1992
Filed:
Dec. 13, 1990
Applicant:
Inventor:
Robert E Hamilton, El Nido, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
47-17 ;
Abstract
A spot sprayer for tall weeds in short crops is provided and consists of a housing affixed to a mechanized spray rig, a tank containing a liquid herbicide therein carried on the housing, a pump connected to the tank, a discharge tube extending from the pump, a spray nozzle at the distal end of the discharge tube and a mechanism carried on the housing for sensing the tall weeds in the short crops, so as to allow the pump to transfer a predetermined amount of the liquid herbicide from the tank through the discharge tube and exit the spray nozzle to only spray the tall weeds and kill them.