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Official data from INPI

COMPÓSITOS DIBORETO DE TITÂNIO/CARBURETO DE BORO COM ALTA DUREZA E RESISTÊNCIA

Em AnáliseInvention PatentPCT · US1988001352

Application data

Number

PI8807480

Type

Invention Patent

Filing

04/21/1988

Publication

04/10/1990

PCT

US1988001352

Progress at the INPI

  1. Filing04/21/88
  2. Publication04/10/90
  3. Examination07/16/91
  4. Allowance
  5. Grant
  6. In force

Published on 04/10/1990, 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: 09/05/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

A. K. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

043.080 · 04/27/1987

US

181.852 · 04/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/05/1995

RPI 1292

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

Notificação de entrada na fase nacional - PCT

#1.3

04/10/1990

RPI 1013

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