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Official data from INPI

REGULADOR DE VOLUME DA INTENSIDADE DO FLUXO.

Em AnáliseInvention Patent
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Application data

Number

PI7907694

Type

Invention Patent

Filing

11/27/1979

Publication

-
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Progress at the INPI

  1. Filing11/27/79
  2. Publication
  3. Examination
  4. Allowance11/23/82
  5. Grant09/06/83
  6. Terminated09/13/88

The patent was granted on 09/06/1983 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Woerner Sistemas de Lubrificação Ltda.

SP, BR

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Inventors

K. A. (pessoa física)

Technical data

IPC Classification

F01M 1/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/13/1988

RPI 934

18.7

10/15/1985

RPI 782

Anuidade - prazo legal encerrado

#18.2

07/30/1985

RPI 771

Concessão da patente

#16.1

09/06/1983

RPI 672

Notificação para pagamento de retribuição

#13.1

04/05/1983

RPI 650

Deferimento

#9.1

11/23/1982

RPI 631

Exigência - art. 36 da LPI

#6.1

06/29/1982

RPI 610

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