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Official data from INPI

MAQUINA DE COMBUSTAO INTERNA DE EMBOLOS,PASSIVEL DE FUNCIONAR EM AMBOS OS SENTIDOS

Em AnáliseInvention Patent

Application data

Number

PI7705120

Type

Invention Patent

Filing

08/03/1976

Publication

-

Progress at the INPI

  1. Filing08/03/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant01/25/83
  6. Terminated12/15/87

The patent was granted on 01/25/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MASCHF AUGSBURG NUERNBERG AG

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Inventors

G. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Conhecimento de parecer técnico

#7.1

10/27/1981

RPI 575

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