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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8402595

Type

Invention Patent

Filing

05/30/1984

Publication

04/23/1985

Progress at the INPI

  1. Filing05/30/84
  2. Publication04/23/85
  3. Examination03/24/87
  4. Allowance06/21/88
  5. Grant01/10/89
  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.

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Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. V. (pessoa física)

FR

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Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Exigência - art. 36 da LPI

#6.1

01/19/1988

RPI 900

Solicitação de exame técnico

#4.1

03/24/1987

RPI 857

Publicação do pedido de patente

#3.1

04/23/1985

RPI 757

Pedido de patente depositado

#2.1

08/07/1984

RPI 720

Carta-patente expirada

#21.1

Patente extinta em 30/05/99

07/08/2008

RPI 1957

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