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Official data from INPI

VIDRO-CERÂMICA DE ALUMINOFOSFATO DE ZINCO ALCALINO

Em AnáliseInvention Patent

Application data

Number

PI8905048

Type

Invention Patent

Filing

10/04/1989

Publication

05/08/1990

Progress at the INPI

Technical opinion to answer
  1. Filing10/04/89
  2. Publication05/08/90
  3. Examination10/09/90
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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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

C. I. (pessoa física)

US

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Inventors

C. Q. (pessoa física)

G. B. (pessoa física)

CA

J. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

258,673 · 10/17/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/23/1997

RPI 1399

Conhecimento de parecer técnico

#7.1

10/03/1995

RPI 1296

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

Publicação do pedido de patente

#3.1

05/08/1990

RPI 1017

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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