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:
Dec. 15, 1981
Filed:
Sep. 05, 1980
Applicant:
Inventors:
Yrjo Tyllinen, Vantaa, FI;
Kaj Nyman, Helsinki, FI;
Assignee:
Oy E. Sarlin AB, , FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02C / ;
U.S. Cl.
CPC ...
210170 ; 210 97 ; 2101953 ;
Abstract
A vacuum sewage system, comprising a collection tank, in which the sewer waste arrives with the aid of vacuum through an entrance pipe and from which it departs from time to time through an exit pipe. The arrival and removal of the sewer waste has been arranged to take place with the aid of one pump. The entrance pipe terminates within the collection tank at a minor distance from the intake aperture of the pump.