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Official data from INPI

SEM TITULO

PublicadaInvention Patent
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Application data

Number

PI8705243

Type

Invention Patent

Filing

10/02/1987

Publication

05/24/1988
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Progress at the INPI

  1. Filing10/02/87
  2. Publication05/24/88
  3. Abandoned11/13/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PPG Industries Inc

US

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Inventors

A. H. (pessoa física)

G. H. (pessoa física)

G. C. (pessoa física)

H. N. (pessoa física)

M. P. (pessoa física)

Pessoa física

Technical data

IPC Classification

C03B 3/00C03B 5/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Arquivamento - Art. 36 §1° da LPI

#11.2

07/20/1993

RPI 1181

Exigência - art. 36 da LPI

#6.1

02/16/1993

RPI 1159

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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