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Official data from INPI

APERFEICOAMENTO EM FREIO A DISCO E PASTILHA DE FREIO

ConcedidaInvention Patent

Application data

Number

PI8007837

Type

Invention Patent

Filing

12/03/1979

Publication

-

Progress at the INPI

  1. Filing12/03/79
  2. Publication
  3. Examination09/06/83
  4. Allowance09/04/84
  5. Grant02/26/85
  6. Terminated02/04/92

The patent was granted on 02/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KELSEY HAYES CO [US]

Inventors

E. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

03/13/1984

RPI 699

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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