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Official data from INPI

INTERRUPTOR COMBINADO DE CONTROLE DE CIRCUITO ELETRICO E DE VACUO PARA SISTEMA DE CONTROLE DE VELOCIDADE EM VEICULOS AUTOMOTORES E APERFEICOAMENTOS NO DITO SISTEMA DE CONTROLE

ConcedidaInvention Patent

Application data

Number

PI7701495

Type

Invention Patent

Filing

03/12/1976

Publication

-

Progress at the INPI

  1. Filing03/12/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 07/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DANA CORP

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Inventors

M. E. (pessoa física)

O. J. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/15/1981

RPI 582

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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