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

DISPOSITIVO DE ACIONAMENTO DE UM DISJUNTOR

Em AnáliseInvention Patent

Application data

Number

PI8700827

Type

Invention Patent

Filing

02/20/1987

Publication

12/22/1987

Progress at the INPI

  1. Filing02/20/87
  2. Publication12/22/87
  3. Examination09/20/88
  4. Allowance06/08/93
  5. Grant10/25/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alsthom

FR

See this company's full portfolio

Inventors

E. T. (pessoa física)

FR

J. M. (pessoa física)

FR

M. P. (pessoa física)

FR

S. Y. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

FR

86 02 409 · 02/21/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Carta-patente expirada

#21.1

Patente extinta em 20/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

06/08/1993

RPI 1175

Patent monitoring

Track this patent in real time.

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