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Official data from INPI

ACIONAMENTO DE EIXO DUPLO PARA VEICULOS FERROVIARIOS

Em AnáliseInvention Patent

Application data

Number

PI8107642

Type

Invention Patent

Filing

12/17/1980

Publication

08/24/1982

Progress at the INPI

  1. Filing12/17/80
  2. Publication08/24/82
  3. Examination12/27/83
  4. Allowance08/07/84
  5. Grant02/26/85
  6. Terminated06/21/88

The patent was granted on 02/26/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

THYSSEN INDUSTRIE [DE]

Inventors

P. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

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