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Official data from INPI

FREIO ELETRO-MAGNETICO DE LINHA PARA SER MONTADO EM UM VEICULO FERROVIARIO PARA COLABORACAO COM O TRILHO

Em AnáliseInvention Patent

Application data

Number

PI7907155

Type

Invention Patent

Filing

11/06/1978

Publication

-

Progress at the INPI

  1. Filing11/06/78
  2. Publication
  3. Examination06/29/82
  4. Allowance08/02/83
  5. Grant02/28/84
  6. Terminated06/14/88

The patent was granted on 02/28/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTERTECHNIQUE SA

See this company's full portfolio

Inventors

B. K. (pessoa física)

W. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/22/1983

RPI 683

14.1

11/01/1983

RPI 680

Deferimento

#9.1

08/02/1983

RPI 667

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

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