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Official data from INPI

COMPOSICAO ELASTOMERICA VULCANIZAVEL,COMPOSICAO SINERGICA ANTI-OXIDANTE,COMPOSICAO VULCANIZADA E ARTIGO DE BORRACHA

PublicadaInvention Patent

Application data

Number

PI8600881

Type

Invention Patent

Filing

02/28/1986

Publication

09/08/1987

Progress at the INPI

  1. Filing02/28/86
  2. Publication09/08/87
  3. Abandoned03/27/90
  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: 09/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FIRESTONE TIRE & RUBBER CO [US]

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Inventors

G. R. (pessoa física)

H. R. (pessoa física)

K. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/08/1987

RPI 881

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Arquivamento - Art. 36 §1° da LPI

#11.2

06/18/1991

RPI 1072

Exigência - art. 36 da LPI

#6.1

11/20/1990

RPI 1042

Solicitação de exame técnico

#4.1

03/27/1990

RPI 1011

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