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Official data from INPI

METODO PARA MEDIR ULTRASSONICAMENTE CROSTAS DE OXIDO NA SUPERFICIE CILINDRICA INTERNA DE UM TUBO DE CALDEIRA

Em AnáliseInvention Patent

Application data

Number

PI8701985

Type

Invention Patent

Filing

03/26/1986

Publication

01/12/1988

Progress at the INPI

  1. Filing03/26/86
  2. Publication01/12/88
  3. Examination04/26/88
  4. Allowance
  5. Grant
  6. In force

Published on 01/12/1988, 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

L. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

01/12/1988

RPI 899

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Retificação

#15.3

09/17/1991

RPI 1085

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