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Official data from INPI

ARTIGO DE VIDRO-CERÂMICA ALTAMENTE CRISTALINO; PROCESSO PARA SUA PREPARAÇÃO; E VIDRO TERMICAMENTE CRISTALIZADO

PublicadaInvention Patent

Application data

Number

PI8705449

Type

Invention Patent

Filing

10/13/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/13/87
  2. Publication05/24/88
  3. Abandoned11/20/90
  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.

Talk to a specialist

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

Applicants and inventors

Applicants

C. W. (pessoa física)

US

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Inventors

A. A. (pessoa física)

FR

J. M. (pessoa física)

FR

M. R. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86014.176 · 10/13/1986

US

037.042 · 04/10/1987

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

05/24/1994

RPI 1225

Exigência - art. 36 da LPI

#6.1

10/05/1993

RPI 1192

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

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