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Official data from INPI

PROCESSO DE REVESTIMENTO PROTETOR DE UM PRODUTO SIDERÚRGICO ELABORADO A QUENTE E PRODUTO SIDERÚRGICO RESULTANTE DESSE PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI8700518

Type

Invention Patent

Filing

02/05/1987

Publication

12/08/1987

Progress at the INPI

Under appeal
  1. Filing02/05/87
  2. Publication12/08/87
  3. Examination12/13/88
  4. Refused03/01/95
  5. Grant
  6. In force

The application was refused by the INPI on 03/01/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut de Recherches de La Sidérurgie Française - IRSID

FR

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Inventors

D. Q. (pessoa física)

FR

F. G. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86/01636 · 02/06/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/13/1988

RPI 947

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Republicação - classificação IPC

#15.11

05/02/1995

RPI 1274

Indeferimento

#9.2

03/01/1995

RPI 1265

Conhecimento de parecer técnico

#7.1

08/23/1994

RPI 1238

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