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Official data from INPI

CURSO DE ENTRADA PARA O TRILHO FIXO DE UM DISPOSITIVO DE TRILHO PARA UM TREM SUSPENSO

Em AnáliseInvention Patent

Application data

Number

PI7801529

Type

Invention Patent

Filing

11/14/1977

Publication

-

Progress at the INPI

  1. Filing11/14/77
  2. Publication
  3. Examination
  4. Allowance11/23/82
  5. Grant06/28/83
  6. Terminated05/17/88

The patent was granted on 06/28/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. R. (pessoa física)

P. H. (pessoa física)

Inventors

B. R. (pessoa física)

P. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

04/05/1983

RPI 650

Deferimento

#9.1

11/23/1982

RPI 631

Exigência - art. 36 da LPI

#6.1

02/24/1982

RPI 592

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