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Official data from INPI

ASSENTO

ConcedidaInvention Patent

Application data

Number

PI8402696

Type

Invention Patent

Filing

06/04/1984

Publication

05/07/1985

Progress at the INPI

  1. Filing06/04/84
  2. Publication05/07/85
  3. Examination10/29/86
  4. Allowance12/13/88
  5. Grant09/26/89
  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.

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

Youngflex S.A.

CH

Inventors

E. M. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

CH

3.189/83 · 06/10/1983

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

12/13/1988

RPI 947

Conhecimento de parecer técnico

#7.1

05/17/1988

RPI 917

6.2

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

10/29/1986

RPI 836

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Carta-patente expirada

#21.1

Patente extinta em 04/06/99

07/08/2008

RPI 1957

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