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Official data from INPI

EMBREAGEM DE FRICCAO

Em AnáliseInvention Patent

Application data

Number

PI7605617

Type

Invention Patent

Filing

08/30/1975

Publication

-

Progress at the INPI

  1. Filing08/30/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated07/12/88

The patent was granted on 07/27/1982 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

D. O. (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

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

10/27/1981

RPI 575

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