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Official data from INPI

CAIXA DE CARGA PARA CONTER COMPONENTES DE UM VAGAO DE ESTRADA DE FERRO E PROCESSO DE FABRICAR,ACONDICIONAR E MONTAR UM VAGAO DE ESTRADA DE FERRO

ConcedidaInvention Patent

Application data

Number

PI7905327

Type

Invention Patent

Filing

08/18/1978

Publication

-

Progress at the INPI

  1. Filing08/18/78
  2. Publication
  3. Examination
  4. Allowance09/14/82
  5. Grant03/29/83
  6. Expired04/18/95

The letters patent expired on 04/18/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BUDD CO

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Inventors

H. G. (pessoa física)

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

Pedido de licença compulsória

#20.1

05/01/1990

RPI 1016

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