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Official data from INPI

PROCESSO PARA FABRICACAO CONTINUA DE CINTAS DELGADAS, POROSAS E CONDUTORAS QUE COMPORTAM PELO MENOS UMA CAMADA A BASE DE UM MATERIAL CARBONADO E UM LIGANTE E CINTA DE MULTICAMADAS

Em AnáliseInvention Patent

Application data

Number

PI8006705

Type

Invention Patent

Filing

10/18/1979

Publication

-

Progress at the INPI

  1. Filing10/18/79
  2. Publication
  3. Examination04/26/83
  4. Allowance06/12/84
  5. Grant12/26/84
  6. Terminated06/21/88

The patent was granted on 12/26/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

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Inventors

L. C. (pessoa física)

T. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/12/1984

RPI 712

Exigência - art. 36 da LPI

#6.1

12/27/1983

RPI 688

Solicitação de exame técnico

#4.1

04/26/1983

RPI 653

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