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Official data from INPI

APERFEIÇOAMENTO EM DISPOSITIVO ELETROMECÂNICO ROTATIVO TRANFERIDOR DE IMAGEM.

ConcedidaInvention Patent

Application data

Number

PI8504570

Type

Invention Patent

Filing

09/19/1985

Publication

04/28/1987

Progress at the INPI

  1. Filing09/19/85
  2. Publication04/28/87
  3. Examination06/30/87
  4. Allowance12/20/88
  5. Grant09/26/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. R. (pessoa física)

SP, BR

Inventors

D. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/20/1988

RPI 948

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Publicação do pedido de patente

#3.1

04/28/1987

RPI 862

Pedido de patente depositado

#2.1

12/03/1985

RPI 789

Carta-patente expirada

#21.1

Patente extinta em 19/09/2000

07/15/2008

RPI 1958

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