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Official data from INPI

VALVULA DE RETENCAO E PROCESSO DE FABRICACAO DE DITA VALVULA DE RETENCAO

Em AnáliseInvention Patent

Application data

Number

PI7902783

Type

Invention Patent

Filing

05/08/1978

Publication

-

Progress at the INPI

  1. Filing05/08/78
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant07/26/83
  6. Terminated06/14/88

The patent was granted on 07/26/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTER OCEAN NV

Inventors

S. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

07/26/1983

RPI 666

110

04/12/1983

RPI 651

Recurso

#12.1

08/17/1982

RPI 617

Deferimento

#9.1

06/01/1982

RPI 606

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