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Official data from INPI

DISPOSITIVO INTERRUPTOR DE CIRCUITO

PublicadaInvention Patent

Application data

Number

PI8802489

Type

Invention Patent

Filing

05/20/1988

Publication

12/20/1988

Progress at the INPI

  1. Filing05/20/88
  2. Publication12/20/88
  3. Examination10/16/90
  4. Allowance06/28/94
  5. Grant03/28/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cooper Industries, Inc.

US

See this company's full portfolio

Inventors

D. S. (pessoa física)

US

R. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

052.803 · 05/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/20/1988

RPI 948

Pedido de patente depositado

#2.1

10/18/1988

RPI 939

Carta-patente expirada

#21.1

Patente extinta em 20/05/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Exigência - art. 36 da LPI

#6.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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