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Official data from INPI

UNIDADE DE PLACA ACIONADA POR EMBREAGEM

ConcedidaInvention Patent

Application data

Number

PI8300559

Type

Invention Patent

Filing

02/04/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/04/83
  2. Publication11/08/83
  3. Examination02/14/84
  4. Allowance06/18/85
  5. Grant02/04/86
  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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

K. (. (pessoa física)

US

T. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

346.313 · 02/05/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

10/01/1985

RPI 780

Deferimento

#9.1

06/18/1985

RPI 765

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

Carta-patente expirada

#21.1

Patente extinta em 04/02/98

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

06/02/1992

RPI 1122

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