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Official data from INPI

ISOLADOR COMPÓSITO COM REVESTIMENTO ISOLANTE SOBRE-MOLDADO.

PublicadaInvention Patent

Application data

Number

PI8705112

Type

Invention Patent

Filing

10/01/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/01/87
  2. Publication05/24/88
  3. Examination08/21/90
  4. Allowance07/20/93
  5. Grant03/29/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ceraver

FR

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Inventors

M. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86 13 758 · 10/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Carta-patente expirada

#21.1

Patente extinta em 01/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

07/20/1993

RPI 1181

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

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