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Official data from INPI

APERFEICOAMENTO NA ESTRUTURA ANULAR DE REFORCO DE PNEUMATICOS RADIAIS

Em AnáliseInvention Patent

Application data

Number

PI7901362

Type

Invention Patent

Filing

03/09/1978

Publication

-

Progress at the INPI

  1. Filing03/09/78
  2. Publication
  3. Examination
  4. Allowance12/06/83
  5. Grant05/29/84
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI

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Inventors

M. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/08/1989

RPI 981

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/27/1984

RPI 701

Deferimento

#9.1

12/06/1983

RPI 685

Exigência - art. 36 da LPI

#6.1

06/28/1983

RPI 662

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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