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Official data from INPI

MATERIAL DE DIAZOTIPIA

ConcedidaInvention Patent

Application data

Number

PI8107605

Type

Invention Patent

Filing

11/23/1981

Publication

07/05/1983

Progress at the INPI

  1. Filing11/23/81
  2. Publication07/05/83
  3. Examination07/16/85
  4. Allowance11/03/87
  5. Grant05/31/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OCE NEDERLAND BV [NL]

Inventors

V. V. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Exigência - art. 36 da LPI

#6.1

09/02/1986

RPI 828

Solicitação de exame técnico

#4.1

07/16/1985

RPI 769

Publicação do pedido de patente

#3.1

07/05/1983

RPI 663

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

Patente extinta em 23/11/96

08/19/2008

RPI 1963

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