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

CHAVE DE CARGA MULTIPOLAR PARA ALTA TENSÃO

ConcedidaInvention Patent

Application data

Number

PI8400512

Type

Invention Patent

Filing

02/07/1984

Publication

09/11/1984

Progress at the INPI

  1. Filing02/07/84
  2. Publication09/11/84
  3. Examination05/27/86
  4. Allowance05/02/89
  5. Grant10/24/89
  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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

See this company's full portfolio

Inventors

P. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 04 272.1 · 02/08/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/02/1989

RPI 967

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

09/11/1984

RPI 725

Pedido de patente depositado

#2.1

04/24/1984

RPI 705

Carta-patente expirada

#21.1

Patente extinta em 07/02/99

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.