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Official data from INPI

ÊMBOLO PARA MOTOR

ConcedidaInvention Patent

Application data

Number

PI8204624

Type

Invention Patent

Filing

08/06/1982

Publication

07/26/1983

Progress at the INPI

  1. Filing08/06/82
  2. Publication07/26/83
  3. Examination08/20/85
  4. Allowance12/29/87
  5. Grant07/26/88
  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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

GB

Inventors

D. P. (pessoa física)

GB

J. C. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

81.24473 · 08/11/1981

GB

82.08438 · 03/23/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

03/04/1987

RPI 854

Exigência - art. 36 da LPI

#6.1

06/24/1986

RPI 818

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

07/26/1983

RPI 666

Pedido de patente depositado

#2.1

09/21/1982

RPI 622

Carta-patente expirada

#21.1

Patente extinta em 06/08/97

07/01/2008

RPI 1956

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