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Official data from INPI

EMBREAGEM DE FRICCAO

ConcedidaInvention Patent

Application data

Number

PI7802040

Type

Invention Patent

Filing

04/02/1977

Publication

-

Progress at the INPI

  1. Filing04/02/77
  2. Publication
  3. Examination
  4. Allowance09/28/82
  5. Grant04/26/83
  6. Terminated01/28/92

The patent was granted on 04/26/1983 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: 04/26/1983. 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)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

02/01/1983

RPI 641

Deferimento

#9.1

09/28/1982

RPI 623

Exigência - art. 36 da LPI

#6.1

01/19/1982

RPI 587

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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