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Official data from INPI

APERFEICOAMENTO EM DISPOSITIVO DE CONEXAO DE LIGACOES DOMICILIARES NAS EXTENSOES NAO METALICAS DE REDES ABASTECEDORAS DE AGUA POTAVEL E SIMILARES

Arquivada/ExtintaUtility Model

Application data

Number

MU5700522

Type

Utility Model

Filing

05/09/1977

Publication

-

Progress at the INPI

  1. Filing05/09/77
  2. Publication
  3. Examination
  4. Allowance10/30/84
  5. Grant02/26/85
  6. Expired08/16/88

The letters patent expired on 08/16/1988: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VULCAN MATERIAL PLASTICO SA

Inventors

T. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Concessão da patente

#16.1

02/26/1985

RPI 749

100

10/30/1984

RPI 732

120

05/15/1984

RPI 708

Petição de recurso

#12.2

02/16/1983

RPI 643

Indeferimento

#9.2

09/21/1982

RPI 622

15.0

10/20/1981

RPI 574

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