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Official data from INPI

APERFEICOAMENTO EM DISPOSITIVO PARA SUSPENDER E RESTAURAR AUTOMATICAMENTE A FUNCAO OPERATIVA DE UM ATUADOR DE FREIO DE MOLA

Em AnáliseInvention Patent

Application data

Number

PI7601254

Type

Invention Patent

Filing

03/03/1975

Publication

-

Progress at the INPI

  1. Filing03/03/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/25/82
  6. Terminated05/10/88

The patent was granted on 05/25/1982 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTERTECH SA

Inventors

B. B. (pessoa física)

R. M. (pessoa física)

S. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/10/1988

RPI 916

Pedido de licença compulsória

#20.1

08/30/1983

RPI 671

Concessão da patente

#16.1

05/25/1982

RPI 605

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