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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8701991

Type

Invention Patent

Filing

03/31/1987

Publication

02/02/1988

Progress at the INPI

  1. Filing03/31/87
  2. Publication02/02/88
  3. Examination09/27/88
  4. Allowance
  5. Grant
  6. In force

Published on 02/02/1988, 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Babcock & Wilcox Company

US

See this company's full portfolio

Inventors

G. I. (pessoa física)

US

L. R. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Solicitação de exame não realizada

#4.2

06/14/1988

RPI 921

Publicação do pedido de patente

#3.1

02/02/1988

RPI 902

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Retificação

#15.3

02/02/1993

RPI 1157

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