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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE EPÓXIDOS

DeferidaInvention Patent

Application data

Number

PI8203729

Type

Invention Patent

Filing

06/25/1982

Publication

06/21/1983

Progress at the INPI

  1. Filing06/25/82
  2. Publication06/21/83
  3. Examination08/27/85
  4. Allowance08/29/89
  5. Grant03/20/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTEROX

BE

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Inventors

A. L. (pessoa física)

BE

C. D. (pessoa física)

F. L. (pessoa física)

BE

Technical data

Priority claims

FR

81 12797 · 06/26/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

102

05/30/1989

RPI 971

Pedido de recurso

#12.3

06/14/1988

RPI 921

11.3

03/08/1988

RPI 907

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

06/21/1983

RPI 661

Pedido de patente depositado

#2.1

08/10/1982

RPI 616

Carta-patente expirada

#21.1

Patente extinta em 25/06/97

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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