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Official data from INPI

PELÍCULA DE LIBERAÇÃO, PROCESSO PARA SUA PRODUÇÃO E FOLHA DE TELHADURA DE ASFALTO

Prazo de SigiloInvention Patent

Application data

Number

PI8902294

Type

Invention Patent

Filing

05/17/1989

Publication

01/09/1990

Progress at the INPI

  1. Filing05/17/89
  2. Publication01/09/90
  3. Abandoned11/12/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

See this company's full portfolio

Inventors

D. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8811868.2 · 05/19/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Arquivamento por falta de pagamento

#8.6

Referente a 8ª, 9ª, 10ª e 11ª anuidade

03/21/2000

RPI 1524

8.1

Referente a 8ª e 9ª anuidade

12/01/1998

RPI 1456

Exigência - art. 36 da LPI

#6.1

11/19/1996

RPI 1355

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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