(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

APERFEIÇOAMENTO EM MÁQUINA DE CHAVES DE UM APARELHO DE MUDANÇA DE VIAS

ConcedidaInvention Patent

Application data

Number

PI8205867

Type

Invention Patent

Filing

10/07/1982

Publication

05/15/1984

Progress at the INPI

  1. Filing10/07/82
  2. Publication05/15/84
  3. Examination11/26/85
  4. Allowance10/13/87
  5. Grant05/31/88
  6. Terminated01/03/95

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

Companhia Siderúrgica Paulista - COSIPA

SP, BR

See this company's full portfolio

Inventors

P. F. (pessoa física)

Technical data

IPC Classification

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

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Exigência - art. 36 da LPI

#6.1

12/23/1986

RPI 844

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.