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Official data from INPI

VALVULA DE RETENCAO

Em AnáliseInvention Patent

Application data

Number

PI7604221

Type

Invention Patent

Filing

08/25/1975

Publication

-

Progress at the INPI

  1. Filing08/25/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 03/01/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRW INC

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

101

03/01/1983

RPI 645

Recurso

#12.1

06/01/1982

RPI 606

Deferimento

#9.1

12/22/1981

RPI 583

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