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Official data from INPI

COMPOSIÇÃO REFRATARIA PLÁSTICA VIBRÁVEL E PROCESSO PARA MOLDAR UM REFRATÓRIO.

Em ExigênciaInvention Patent

Application data

Number

PI7904166

Type

Invention Patent

Filing

07/02/1979

Publication

-

Progress at the INPI

Office action pending
  1. Filing07/02/79
  2. Publication
  3. Examination01/12/82
  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: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dresser Industries, Inc

US

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/22/1987

RPI 861

Exigência - art. 36 da LPI

#6.1

11/25/1986

RPI 840

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

6.2

02/08/1983

RPI 642

Solicitação de exame técnico

#4.1

01/12/1982

RPI 586

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