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Official data from INPI

aparelho para determinar o fator de super-compressibilidade de um gás circulante.

Em AnáliseInvention Patent

Application data

Number

PI8602418

Type

Invention Patent

Filing

05/16/1986

Publication

01/21/1987

Progress at the INPI

  1. Filing05/16/86
  2. Publication01/21/87
  3. Examination06/30/87
  4. Allowance
  5. Grant
  6. In force

Published on 01/21/1987, 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Meter Company

US

Inventors

G. J. (pessoa física)

US

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

734.935 · 05/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/05/1989

RPI 998

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Publicação do pedido de patente

#3.1

01/21/1987

RPI 848

Pedido de patente depositado

#2.1

11/18/1986

RPI 839

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