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Official data from INPI

BOMBA COM PALHETAS PARA PRODUZIR UMA SUB-PRESSAO

Em AnáliseInvention Patent

Application data

Number

PI7805334

Type

Invention Patent

Filing

08/20/1977

Publication

-

Progress at the INPI

  1. Filing08/20/77
  2. Publication
  3. Examination
  4. Allowance05/18/82
  5. Grant
  6. Terminated10/03/89

The patent was granted 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VOLKSWAGENWERK AG [DE]

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Inventors

No inventors listed.

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

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

Deferimento

#9.1

05/18/1982

RPI 604

Exigência - art. 36 da LPI

#6.1

11/24/1981

RPI 579

6.2

10/20/1981

RPI 574

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