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Official data from INPI

COMPOSIÇÃO DE BORRACHA DE POLÍMERO NÃO CURADA, CONTENDO ÓXIDOS DE FURAZANO AROMÁTICOS, COM REDUZIDO ODOR

Em AnáliseInvention Patent
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Application data

Number

PI8503702

Type

Invention Patent

Filing

08/06/1985

Publication

05/06/1986
View on INPI

Progress at the INPI

  1. Filing08/06/85
  2. Publication05/06/86
  3. Examination06/28/88
  4. Allowance04/20/93
  5. Grant05/31/94
  6. Terminated05/28/96

The patent was granted on 05/31/1994 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Firestone Tire & Rubber Company

US

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Inventors

D. G. (pessoa física)

US

D. T. (pessoa física)

US

Technical data

IPC Classification

C08C 4/00C08K 3/08C08K 5/35C08L 21/00

Priority claims

US

653.656 · 09/21/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação do pedido de patente

#3.1

05/06/1986

RPI 811

Pedido de patente depositado

#2.1

10/15/1985

RPI 782

Anuidade - prazo legal encerrado

#18.2

05/28/1996

RPI 1330

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

09/22/1992

RPI 1138

Exigência - art. 36 da LPI

#6.1

06/11/1991

RPI 1071

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