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Official data from INPI

PNEUMATICO COM CARCACA RADIAL

Em AnáliseInvention Patent

Application data

Number

PI7901443

Type

Invention Patent

Filing

03/10/1978

Publication

-

Progress at the INPI

  1. Filing03/10/78
  2. Publication
  3. Examination11/24/81
  4. Allowance01/24/84
  5. Grant08/28/84
  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

See this company's full portfolio

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

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

06/28/1983

RPI 662

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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