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:
Oct. 26, 1976
Filed:
Jun. 16, 1975
Forrest B Stannard, Fort Lauderdale, FL (US);
Other;
Abstract
An aeration system comprising a long resilient plastic tube having a plurality of aeration slit valves therein, a control means connected about the outside of said tube to control the size of the aeration slit valve openings when the tubing is under pressure, and a second tube encompassing the first tube and the control means. The second tube also includes a plurality of slit or perforated type openings therein. Said aeration system providing a non-floating, weighted aeration system having a controlled aeration flow of air out through the slits in said tubing system along length of system and may include a smooth outer diameter surface to prevent material from snagging on said tubing system when placed in a sewage system.