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Official data from INPI

CHASSIS KPARA CAIXA DE VAGÃO DE VEICULO A MOTOR SOBRE TRILHOS

ConcedidaInvention Patent

Application data

Number

PI8401129

Type

Invention Patent

Filing

03/13/1984

Publication

10/23/1984

Progress at the INPI

  1. Filing03/13/84
  2. Publication10/23/84
  3. Examination06/25/85
  4. Allowance11/03/87
  5. Grant06/28/88
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

DE

See this company's full portfolio

Inventors

K. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 09 736.4 · 03/18/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

10/23/1984

RPI 731

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

Carta-patente expirada

#21.1

07/08/2008

RPI 1957

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