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Official data from INPI

COMPOSIÇÃO DE BORRACHA VULCANIZÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8307372

Type

Invention Patent

Filing

05/09/1983

Publication

05/08/1984

Progress at the INPI

  1. Filing05/09/83
  2. Publication05/08/84
  3. Examination01/21/86
  4. Allowance06/20/89
  5. Grant02/06/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Firestone Tire & Rubber Company

US

See this company's full portfolio

Inventors

D. G. (pessoa física)

US

W. H. (pessoa física)

US

Technical data

Priority claims

US

380.193 · 05/20/1982

US

380194 · 05/20/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/17/1989

RPI 991

Deferimento

#9.1

06/20/1989

RPI 974

Exigência - art. 36 da LPI

#6.1

11/16/1988

RPI 943

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

4.1.2

03/11/1986

RPI 803

Solicitação de exame técnico

#4.1

01/21/1986

RPI 796

Notificação de entrada na fase nacional - PCT

#1.3

05/08/1984

RPI 707

Carta-patente expirada

#21.1

Patente extinta em 09/05/98

07/01/2008

RPI 1956

20.4

11/22/1994

RPI 1251

Concessão da patente

#16.1

02/06/1990

RPI 1005

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