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Official data from INPI

PROCESSO DE FABRICACAO DE UM CONJUNTO DE VALVULA / SEDE DE VALVULA REFRATARIA UTILIZADO NO CONTROLE DA VAZAO DE LIQUIDOS

IndeferidaInvention Patent

Application data

Number

PI8304111

Type

Invention Patent

Filing

08/01/1983

Publication

03/12/1985

Progress at the INPI

Under appeal
  1. Filing08/01/83
  2. Publication03/12/85
  3. Examination09/24/85
  4. Refused09/19/89
  5. Grant
  6. In force

The application was refused by the INPI on 09/19/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

REFRATARIOS E ISOLANTES S A [BR]

Inventors

B. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/19/1989

RPI 987

Conhecimento de parecer técnico

#7.1

01/31/1989

RPI 954

6.2

06/23/1987

RPI 870

Pedido de certificado de adição de invenção

#5.1

02/18/1986

RPI 800

Solicitação de exame técnico

#4.1

09/24/1985

RPI 779

14.4

05/28/1985

RPI 762

Publicação do pedido de patente

#3.1

03/12/1985

RPI 751

Pedido de patente depositado

#2.1

10/11/1983

RPI 677

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