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Official data from INPI

SISTEMA DE SUSPENSAO PRIMARIA PARA TRUQUE FERROVIARIO

ConcedidaInvention Patent

Application data

Number

PI8300660

Type

Invention Patent

Filing

02/12/1982

Publication

11/08/1983

Progress at the INPI

  1. Filing02/12/82
  2. Publication11/08/83
  3. Examination09/10/85
  4. Allowance11/10/87
  5. Grant05/31/88
  6. Terminated04/18/95

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BUDD CO [US]

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Inventors

E. J. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/10/1987

RPI 890

Solicitação de exame técnico

#4.1

09/10/1985

RPI 777

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/29/1983

RPI 649

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

Pedido de licença compulsória

#20.1

05/08/1990

RPI 1017

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