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Official data from INPI

CORREIA FLEXIVEL DE TRANSMISSAO DE FORCA TENDO UMA PLURALIDADE DE DENTES RESILIENTES FLEXIVEIS DE COMPRIMENTO DE PASSO UNIFORME E POLIA DENTADA

ConcedidaInvention Patent

Application data

Number

PI7608368

Type

Invention Patent

Filing

12/18/1975

Publication

-

Progress at the INPI

  1. Filing12/18/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Expired07/27/93

The letters patent expired on 07/27/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/29/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR TIRE & RUBBER

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Inventors

H. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/29/1982

RPI 610

12.4

10/27/1981

RPI 575

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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