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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent
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Application data

Number

PI8407002

Type

Invention Patent

Filing

08/06/1984

Publication

07/02/1985
View on INPI

Progress at the INPI

  1. Filing08/06/84
  2. Publication07/02/85
  3. Examination10/29/85
  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.

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Renk Tacke GmbH

DE

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

F16D 3/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/21/1989

RPI 996

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

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Notificação de entrada na fase nacional - PCT

#1.3

07/02/1985

RPI 767

Carta-patente expirada

#21.1

Patente extinta em 06/08/99

07/08/2008

RPI 1957

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