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Official data from INPI

SISTEMA DE SUSPENSAO PRIMARIA E DISPOSITIVO DE REACAO LONGITUDINAL EM UM TRUQUE FERROVIARIO

ConcedidaInvention Patent

Application data

Number

PI8207466

Type

Invention Patent

Filing

12/28/1981

Publication

10/18/1983

Progress at the INPI

  1. Filing12/28/81
  2. Publication10/18/83
  3. Examination02/26/85
  4. Allowance09/17/85
  5. Grant05/27/86
  6. Terminated06/26/90

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BUDD CO [US]

See this company's full portfolio

Inventors

D. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

01/21/1986

RPI 796

Deferimento

#9.1

09/17/1985

RPI 778

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

02/16/1983

RPI 643

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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