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Official data from INPI

CHAPA DE DISTRIBUICAO DE OLEO HIDRAULICO POSSUINDO PASSAGENS ATRAVES DE SI

Em AnáliseInvention Patent

Application data

Number

PI7901074

Type

Invention Patent

Filing

02/22/1978

Publication

-

Progress at the INPI

  1. Filing02/22/78
  2. Publication
  3. Examination
  4. Allowance04/26/83
  5. Grant11/29/83
  6. Terminated05/17/88

The patent was granted on 11/29/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KOMATSU MFG CO LTD

Inventors

S. T. (pessoa física)

U. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/20/1983

RPI 674

Deferimento

#9.1

04/26/1983

RPI 653

Exigência - art. 36 da LPI

#6.1

08/10/1982

RPI 616

6.2

01/26/1982

RPI 588

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