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Official data from INPI

DISPOSITIVO DE FECHO DE MOLDE

ConcedidaInvention Patent

Application data

Number

PI8200889

Type

Invention Patent

Filing

02/18/1982

Publication

-

Progress at the INPI

  1. Filing02/18/82
  2. Publication
  3. Examination06/14/83
  4. Allowance05/05/87
  5. Grant11/24/87
  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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. A. (pessoa física)

DE

Inventors

W. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 07 004.3 · 02/25/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

04/01/1986

RPI 806

Exigência - art. 36 da LPI

#6.1

11/27/1984

RPI 736

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Pedido de patente depositado

#2.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

Patente extinta em 18/02/97

07/01/2008

RPI 1956

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