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Official data from INPI

COMPOSICOES DA MATERIA

ConcedidaInvention Patent

Application data

Number

PI8002846

Type

Invention Patent

Filing

01/30/1980

Publication

-

Progress at the INPI

  1. Filing01/30/80
  2. Publication
  3. Examination09/27/83
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR TIRE & RUBBER

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Inventors

T. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

08/28/1984

RPI 723

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

Pedido de licença compulsória

#20.1

08/24/1993

RPI 1186

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