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Official data from INPI

PNEUMATICO

Em AnáliseInvention Patent

Application data

Number

PI7901136

Type

Invention Patent

Filing

02/21/1978

Publication

-

Progress at the INPI

  1. Filing02/21/78
  2. Publication
  3. Examination11/24/81
  4. Allowance01/15/85
  5. Grant08/27/85
  6. Expired05/31/94

The letters patent expired on 05/31/1994: 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

H. Y. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/25/1988

RPI 940

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

Solicitação de exame técnico

#4.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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