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Official data from INPI

EMBREAGEM POR FRICCAO

Em AnáliseInvention Patent

Application data

Number

PI7906421

Type

Invention Patent

Filing

10/04/1978

Publication

-

Progress at the INPI

  1. Filing10/04/78
  2. Publication
  3. Examination03/30/82
  4. Allowance04/26/83
  5. Grant10/25/83
  6. Terminated07/12/88

The patent was granted on 10/25/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUK LAMELLEN & KUPPLUNGSBAU

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Inventors

H. L. (pessoa física)

M. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/20/1983

RPI 674

Deferimento

#9.1

04/26/1983

RPI 653

Exigência - art. 36 da LPI

#6.1

09/21/1982

RPI 622

Solicitação de exame técnico

#4.1

03/30/1982

RPI 597

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