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Official data from INPI

CIRCUITO DRIVER DE LINHA

Em AnáliseInvention Patent

Application data

Number

PI7806858

Type

Invention Patent

Filing

10/20/1977

Publication

-

Progress at the INPI

  1. Filing10/20/77
  2. Publication
  3. Examination
  4. Allowance11/17/81
  5. Grant04/26/83
  6. In force10/20/97

The patent was granted on 04/26/1983 and is in force until 10/20/1997. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:10/20/1997

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PLESSEY CO LTD

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Inventors

W. L. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

04/26/1983

RPI 653

14.4

11/16/1982

RPI 630

Notificação para pagamento de retribuição

#13.1

03/23/1982

RPI 596

Deferimento

#9.1

11/17/1981

RPI 578

Licença compulsória (variante)

#20.2

05/29/1990

RPI 1020

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