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.

Date of Patent:
Dec. 11, 1984

Filed:

May. 09, 1983
Applicant:
Inventors:

Paavo M/a/ kel/a/, Helsinki, FI;

Kalervo M/a/ nnist/o/, Vantaa, FI;

Heikki Masalin, Espoo, FI;

Assignee:

Oy All-Plast Ab, Helsinki, FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ; F16K / ;
U.S. Cl.
CPC ...
137362 ; 13724745 ; 13724747 ;
Abstract

A floor drain or some other cup-shaped water seal, comprising a cupped body (1), a superstructure including a trash screen (2), a water seal forming wall (3), and an outlet (4) for a sewer pipe (5). A problem is to improve the superstructure of a floor drain so as to prevent bacteria from spreading out along moist surface films or membranes. In order to resolve the problem, the superstructure is provided with a funnel-shaped ring (6), which is fitted below trash screen (2) and whose central hole (7) is smaller than said outlet (4) and whose outer rim is tightly (8) sealed to body (1).


Find Patent Forward Citations

M/a/ kel/a/, Paavo. (1984). Floor drain or some other cupped water seal (U.S. Patent No. 4487219). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4487219

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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