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Official data from INPI

VEÍCULO ARTICULADO COMPREENDENDO MECANISMO CENTRALIZADOR PARA MANTER EQUIDISTANTE UMA ESTRUTURA DE TÚNEL ENTRE DOIS CHASSIS

ConcedidaInvention Patent

Application data

Number

PI8200981

Type

Invention Patent

Filing

02/25/1982

Publication

01/04/1983

Progress at the INPI

  1. Filing02/25/82
  2. Publication01/04/83
  3. Examination03/12/85
  4. Allowance06/09/87
  5. Grant12/29/87
  6. Terminated11/15/94

The patent was granted on 12/29/1987 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Urban Transportation Development Corporation Ltd

CA

Inventors

D. C. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

CA

371.834 · 02/26/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

11/12/1985

RPI 786

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Publicação do pedido de patente

#3.1

01/04/1983

RPI 637

Pedido de patente depositado

#2.1

04/13/1982

RPI 599

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

Pedido de licença compulsória

#20.1

03/10/1992

RPI 1110

20.3

01/07/1992

RPI 1101

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