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Official data from INPI

PNEUMATICO COM ARMADURA DE CARCACA RADIAL

Em AnáliseInvention Patent

Application data

Number

PI7901447

Type

Invention Patent

Filing

03/10/1978

Publication

-

Progress at the INPI

  1. Filing03/10/78
  2. Publication
  3. Examination11/24/81
  4. Allowance07/19/83
  5. Grant02/28/84
  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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MICHELIN & CIE

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Inventors

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/25/1988

RPI 940

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Solicitação de exame técnico

#4.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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