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Official data from INPI

VÁLVULA REGULADORA DE PRESSÃO PARA USO NA TUBULAÇÃO DE DESCARGA DE AR EM MOTOR DE COMBUSTÃO INTERNA.

Em AnáliseInvention Patent

Application data

Number

PI8000605

Type

Invention Patent

Filing

01/31/1980

Publication

-

Progress at the INPI

  1. Filing01/31/80
  2. Publication
  3. Examination
  4. Allowance11/16/83
  5. Grant05/29/84
  6. Terminated11/16/88

The patent was granted on 05/29/1984 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Filterwerk Mann & Hummel Gmbh.

DE

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Inventors

L. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/16/1983

RPI 682

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