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Official data from INPI

TRUQUE MOTORIZADO PARA VEÍCULOS FERROVIÁRIOS

ConcedidaInvention Patent

Application data

Number

PI8405946

Type

Invention Patent

Filing

11/22/1984

Publication

09/17/1985

Progress at the INPI

  1. Filing11/22/84
  2. Publication09/17/85
  3. Examination04/22/87
  4. Allowance06/07/88
  5. Grant02/28/89
  6. Terminated07/04/95

The patent was granted on 02/28/1989 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UTDC Inc.

CA

Inventors

R. S. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

CA

441,943 · 11/25/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/07/1988

RPI 920

Exigência - art. 36 da LPI

#6.1

01/12/1988

RPI 899

Solicitação de exame técnico

#4.1

04/22/1987

RPI 861

Publicação do pedido de patente

#3.1

09/17/1985

RPI 778

Pedido de patente depositado

#2.1

02/05/1985

RPI 746

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Pedido de licença compulsória

#20.1

09/10/1991

RPI 1084

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