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Official data from INPI

CONJUNTO DE PLACA ACIONADA DE EMBREAGEM

ConcedidaInvention Patent

Application data

Number

PI8405880

Type

Invention Patent

Filing

11/19/1984

Publication

09/17/1985

Progress at the INPI

  1. Filing11/19/84
  2. Publication09/17/85
  3. Examination10/13/87
  4. Allowance10/04/88
  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

B. C. (pessoa física)

US

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Inventors

T. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

556.518 · 11/30/1982

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

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

09/17/1985

RPI 778

Pedido de patente depositado

#2.1

02/05/1985

RPI 746

Carta-patente expirada

#21.1

Patente extinta em 19/11/99

07/08/2008

RPI 1957

Pedido de licença compulsória

#20.1

10/13/1992

RPI 1141

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