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Official data from INPI

PROCESSO PARA PRODUÇÃO DE ESTRUTURA CERÂMICA DE AUTO-SUSTENTAÇÃO E ESTRUTURA ASSIM OBTIDA

Em AnáliseInvention Patent

Application data

Number

PI9100107

Type

Invention Patent

Filing

01/11/1991

Publication

10/22/1991

Progress at the INPI

  1. Filing01/11/91
  2. Publication10/22/91
  3. Examination11/17/92
  4. Allowance
  5. Grant
  6. In force

Published on 10/22/1991, 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: 09/23/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lanxide Technology Company, LP

US

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Inventors

B. S. (pessoa física)

D. L. (pessoa física)

US

K. H. (pessoa física)

S. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

464,171 · 01/12/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

07/30/1991

RPI 1078

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