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Official data from INPI

PNEUMÁTICOS PARA VEÍCULOS DE MÉDIO E GRANDE PORTE

ConcedidaInvention Patent

Application data

Number

PI7907692

Type

Invention Patent

Filing

11/27/1979

Publication

-

Progress at the INPI

  1. Filing11/27/79
  2. Publication
  3. Examination06/29/82
  4. Allowance02/28/84
  5. Grant09/25/84
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Michelin & Cie (Compagnie Générale des Etablissements Michelin).

FR

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Inventors

B. P. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

78-33 652 · 11/27/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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