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Official data from INPI

REGULADOR DE FOLGA,ESPECIALMENTE PARA UM SISTEMA DE FREIOS DE UM VEICULO FERROVIARIO

ConcedidaInvention Patent

Application data

Number

PI7906190

Type

Invention Patent

Filing

01/25/1979

Publication

-

Progress at the INPI

  1. Filing01/25/79
  2. Publication
  3. Examination04/06/82
  4. Allowance03/22/83
  5. Grant02/28/84
  6. Terminated09/25/90

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: 02/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAB IND AB

Inventors

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

14.1

11/01/1983

RPI 680

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Exigência - art. 36 da LPI

#6.1

10/13/1982

RPI 625

Solicitação de exame técnico

#4.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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