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Official data from INPI

PROCESSO PARA O FABRICO DE CORPOS PLANOS E ACHATADOS REFORÇADOS COM FIBRAS E CONTENDO UM PRODUTO LIGANTE QUE PODE SOLIDIFICAR

ConcedidaInvention Patent

Application data

Number

PI8204339

Type

Invention Patent

Filing

07/26/1982

Publication

07/19/1983

Progress at the INPI

  1. Filing07/26/82
  2. Publication07/19/83
  3. Examination09/17/85
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. T. (pessoa física)

CH

Inventors

G. T. (pessoa física)

CH

Technical data

Priority claims

DE

550/82 · 01/29/1982

DE

P 31 29 509.6 · 07/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

07/19/1983

RPI 665

Pedido de patente depositado

#2.1

09/08/1982

RPI 620

Carta-patente expirada

#21.1

Patente extinta em 26/07/97

07/01/2008

RPI 1956

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