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Official data from INPI

PROCESSO PARA PRODUZIR PÓ DE ELASTÔMERO CONTENDO CARGA, NÃO-PEGAJOSO E FLUÍDO

Em AnáliseInvention Patent

Application data

Number

PI8504263

Type

Invention Patent

Filing

09/03/1985

Publication

06/17/1986

Progress at the INPI

  1. Filing09/03/85
  2. Publication06/17/86
  3. Examination08/09/88
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Goodyear Tire & Rubber Company

US

See this company's full portfolio

Inventors

P. S. (pessoa física)

US

W. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

649.233 · 09/10/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

10/18/1988

RPI 939

Solicitação de exame técnico

#4.1

08/09/1988

RPI 929

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

11/12/1985

RPI 786

Carta-patente expirada

#21.1

Patente extinta em 03/09/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

Exigência - art. 36 da LPI

#6.1

10/23/1990

RPI 1038

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