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Official data from INPI

INTERRUPTOR DE CIRCUITO ELÉTRICO

PublicadaInvention Patent

Application data

Number

PI8703045

Type

Invention Patent

Filing

06/17/1987

Publication

03/08/1988

Progress at the INPI

  1. Filing06/17/87
  2. Publication03/08/88
  3. Examination11/13/90
  4. Allowance03/24/92
  5. Grant11/24/92
  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: 03/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

J. C. (pessoa física)

US

K. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

875914 · 06/19/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/08/1988

RPI 907

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Carta-patente expirada

#21.1

Patente extinta em 17/06/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Deferimento

#9.1

03/24/1992

RPI 1112

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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