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Official data from INPI

DISPOSITIVO DE ARTICULACAO ENTRE DUAS CAIXAS DE UMA COMPOSICAO FERROVIARIA E UM JOGO DE RODADOS COMUM

ConcedidaInvention Patent

Application data

Number

PI7702253

Type

Invention Patent

Filing

04/16/1976

Publication

-

Progress at the INPI

  1. Filing04/16/76
  2. Publication
  3. Examination
  4. Allowance08/03/82
  5. Grant02/22/83
  6. Terminated01/21/92

The patent was granted on 02/22/1983 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: 02/22/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. S. (pessoa física)

Inventors

G. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Deferimento

#9.1

08/03/1982

RPI 615

Exigência - art. 36 da LPI

#6.1

02/16/1982

RPI 591

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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