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

INTERRUPTOR DE CIRCUITO

Em AnáliseInvention Patent

Application data

Number

PI8604091

Type

Invention Patent

Filing

08/28/1986

Publication

04/14/1987

Progress at the INPI

  1. Filing08/28/86
  2. Publication04/14/87
  3. Examination06/13/89
  4. Allowance06/02/92
  5. Grant01/26/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

A. S. (pessoa física)

US

W. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

771.376 · 08/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/13/1989

RPI 973

Publicação do pedido de patente

#3.1

04/14/1987

RPI 860

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Carta-patente expirada

#21.1

Patente extinta em 28/08/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

10/20/1992

RPI 1142

Republicação - classificação IPC

#15.11

10/06/1992

RPI 1140

Deferimento

#9.1

06/02/1992

RPI 1122

Exigência - art. 36 da LPI

#6.1

11/12/1991

RPI 1093

Patent monitoring

Track this patent in real time.

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