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Official data from INPI

CIRCUITO ELETRICO PARA IGNICAO DE UM DETONADOR

Em AnáliseInvention Patent

Application data

Number

PI7905707

Type

Invention Patent

Filing

09/05/1978

Publication

-

Progress at the INPI

  1. Filing09/05/78
  2. Publication
  3. Examination
  4. Allowance05/04/82
  5. Grant11/30/82
  6. Terminated10/03/89

The patent was granted on 11/30/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

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

Applicants and inventors

Applicants

PRB SA

Inventors

O. R. (pessoa física)

Technical data

IPC Classification

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

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

15.0

05/18/1982

RPI 604

Deferimento

#9.1

05/04/1982

RPI 602

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