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Official data from INPI

LANÇA MONOLÍTICA COM PLUGUE POROSO PARA INJEÇÃO DE GÁS EM PANELA DE AÇO

IndeferidaInvention Patent

Application data

Number

PI8906873

Type

Invention Patent

Filing

12/27/1989

Publication

07/02/1991

Progress at the INPI

Under appeal
  1. Filing12/27/89
  2. Publication07/02/91
  3. Examination11/17/92
  4. Refused02/27/96
  5. Grant
  6. In force

The application was refused by the INPI on 02/27/1996. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/27/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Paulista - COSIPA

SP, BR

See this company's full portfolio

Inventors

F. F. (pessoa física)

I. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/27/1996

RPI 1317

14.7

10/18/1994

RPI 1246

Pedido de certificado de adição de invenção

#5.1

03/30/1993

RPI 1165

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

07/02/1991

RPI 1074

Pedido de patente depositado

#2.1

05/01/1990

RPI 1016

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