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

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8403612

Type

Invention Patent

Filing

07/20/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/20/84
  2. Publication07/02/85
  3. Examination12/03/85
  4. Allowance06/23/87
  5. Grant11/24/87
  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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRW Ehrenreich Gmbh & Co. Kg

DE

See this company's full portfolio

Inventors

I. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

10/20/1987

RPI 887

Deferimento

#9.1

06/23/1987

RPI 870

Exigência - art. 36 da LPI

#6.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Carta-patente expirada

#21.1

Patente extinta em 20/07/99

07/08/2008

RPI 1957

Patent monitoring

Track this patent in real time.

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