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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8302509

Type

Invention Patent

Filing

05/13/1983

Publication

01/17/1984

Progress at the INPI

  1. Filing05/13/83
  2. Publication01/17/84
  3. Examination
  4. Allowance12/08/87
  5. Grant06/28/88
  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: 06/28/1988. 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

K. W. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

04/26/1988

RPI 914

Deferimento

#9.1

12/08/1987

RPI 894

Arquivamento - Art. 33 da LPI

#11.1

09/02/1986

RPI 828

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

Carta-patente expirada

#21.1

Patente extinta em 13/05/98

07/01/2008

RPI 1956

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