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Official data from INPI

ESTRUTURA DE SUB ARMACAO TERMINAL PARA UM VAGAO FERROVIARIO

Em AnáliseInvention Patent

Application data

Number

PI7907005

Type

Invention Patent

Filing

10/30/1978

Publication

-

Progress at the INPI

  1. Filing10/30/78
  2. Publication
  3. Examination12/08/81
  4. Allowance08/10/82
  5. Grant02/22/83
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 04/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BUDD CO

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Inventors

B. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

22.9

04/26/1983

RPI 653

Concessão da patente

#16.1

02/22/1983

RPI 644

Deferimento

#9.1

08/10/1982

RPI 616

Solicitação de exame técnico

#4.1

12/08/1981

RPI 581

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

Pedido de licença compulsória

#20.1

05/01/1990

RPI 1016

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