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Official data from INPI

PELÍCULA DE CÓPIA CAPAZ DE RECEBER IMAGEM E PROCESSO PARA SUA PRODUÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003331

Type

Invention Patent

Filing

07/11/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/11/90
  2. Publication08/27/91
  3. Examination10/19/93
  4. Allowance04/22/98
  5. Grant11/24/98
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. 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

C. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8916030.3 · 07/13/1989

GB

9013471.9 · 06/15/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/22/1998

RPI 1426

Solicitação de exame técnico

#4.1

10/19/1993

RPI 1194

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/15/1991

RPI 1050

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