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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8401719

Type

Invention Patent

Filing

04/12/1984

Publication

11/20/1984

Progress at the INPI

  1. Filing04/12/84
  2. Publication11/20/84
  3. Examination12/23/86
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ing. C. Olivetti & S.P.A.

GB

Inventors

G. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

12/23/1986

RPI 844

Publicação do pedido de patente

#3.1

11/20/1984

RPI 735

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Carta-patente expirada

#21.1

Patente extinta em 12/04/99

07/08/2008

RPI 1957

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