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. 26, 1994
Filed:
Oct. 26, 1992
Applicant:
Inventor:
Rodney R Ruskin, San Francisco, CA (US);
Assignee:
Agrifim Irrigation International N.V., Curacao, AN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ; A01G / ;
U.S. Cl.
CPC ...
239542 ; 138137 ; 138141 ; 405 45 ;
Abstract
A water transmission tubing for controlling the flow of water under pressure comprises a tubular inner layer of generally uniform cross-sectional configuration continuous with the length of the tubing and having a biocide for killing bacteria in the water, and a tubular outer layer having an inner wall disposed against and bonded to an outer wall of the inner layer and being made of a material thickness for inhibiting the migration of biocide from the inner layer to the outside of the tubing.