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Official data from INPI

MATERIAL COMPÓSITO DE CERÂMICA E PROCESSO PARA FABRICAÇÃO DO MESMO

Em ExigênciaInvention Patent

Application data

Number

PI8502277

Type

Invention Patent

Filing

05/14/1985

Publication

01/14/1986

Progress at the INPI

  1. Filing05/14/85
  2. Publication01/14/86
  3. Examination12/08/87
  4. Allowance02/01/90
  5. Grant09/25/90
  6. Terminated05/21/96

The patent was granted on 09/25/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Produits Cellulosiques Isolants - Procelis

FR

Inventors

A. L. (pessoa física)

FR

A. G. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84 07987 · 05/18/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Publicação do pedido de patente

#3.1

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

07/23/1985

RPI 770

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Republicação - classificação IPC

#15.11

06/04/1991

RPI 1070

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

02/01/1990

RPI 1004

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