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Official data from INPI

PROCESSO PARA EXTRACAO DE UMA FRACAO DE PESO MOLECULAR DE UMA FONTE DE BORRACHA DE GUAIULE E OBRRACHA DE GUAIULE FRACIONADA SOLVENTE

Em AnáliseInvention Patent

Application data

Number

PI8603310

Type

Invention Patent

Filing

07/15/1985

Publication

02/24/1987

Progress at the INPI

  1. Filing07/15/85
  2. Publication02/24/87
  3. Abandoned05/16/89
  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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FIRESTONE TIRE & RUBBER CO [US]

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Inventors

B. T. (pessoa física)

C. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/16/1989

RPI 969

Publicação do pedido de patente

#3.1

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Arquivamento - Art. 36 §1° da LPI

#11.2

07/31/1990

RPI 1026

6.2

01/02/1990

RPI 1000

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