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Official data from INPI

PROCESSO PARA APLICAR UM POLÍMERO OU PREPOLÍMERO CURÁVEL COM AMINA A UM SUBSTRATO DE BORRACHA CURADA

ConcedidaInvention Patent

Application data

Number

PI8401281

Type

Invention Patent

Filing

03/20/1984

Publication

02/26/1985

Progress at the INPI

  1. Filing03/20/84
  2. Publication02/26/85
  3. Examination02/24/87
  4. Allowance01/03/89
  5. Grant09/26/89
  6. Terminated09/05/95

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Firestone Tire & Rubber Company

US

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Inventors

W. H. (pessoa física)

US

Technical data

Priority claims

US

477.451 · 03/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/16/1989

RPI 969

Deferimento

#9.1

01/03/1989

RPI 950

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

02/24/1987

RPI 853

Publicação do pedido de patente

#3.1

02/26/1985

RPI 749

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

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