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Official data from INPI

PROCESSO PARA OBTER UM PRODUTO REFRATARIO ESPUMOSO

Em AnáliseInvention Patent
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Application data

Number

PI8603295

Type

Invention Patent

Filing

08/07/1985

Publication

03/17/1987
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Progress at the INPI

Office action pending
  1. Filing08/07/85
  2. Publication03/17/87
  3. Examination06/06/89
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical office action on this application. If it is not answered in time, the application is abandoned (art. 36 of the Brazilian IP Act).

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Latest action published by the INPI: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

M. M. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

C04B 38/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/06/1989

RPI 972

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Retificação

#15.3

01/14/1992

RPI 1102

Exigência - art. 36 da LPI

#6.1

05/14/1991

RPI 1067

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