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Official data from INPI

PNEUMATICO DE CARCACA RADIAL

Em AnáliseInvention Patent

Application data

Number

PI7903252

Type

Invention Patent

Filing

05/24/1978

Publication

-

Progress at the INPI

  1. Filing05/24/78
  2. Publication
  3. Examination02/09/82
  4. Allowance07/12/83
  5. Grant
  6. Expired07/26/94

The letters patent expired on 07/26/1994: 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

16.3

05/15/1984

RPI 708

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Solicitação de exame técnico

#4.1

02/09/1982

RPI 590

Carta-patente expirada

#21.1

07/26/1994

RPI 1234

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