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Official data from INPI

INTERRUPTOR DE CIRCUITO LIMITADOR DE CORRENTE COM CUNHA ISOLANTE

PublicadaInvention Patent

Application data

Number

PI8900953

Type

Invention Patent

Filing

03/01/1989

Publication

10/24/1989

Progress at the INPI

  1. Filing03/01/89
  2. Publication10/24/89
  3. Examination12/03/91
  4. Allowance04/25/95
  5. Grant10/31/95
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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

E. C. (pessoa física)

US

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

J. E. (pessoa física)

US

W. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

163,354 · 03/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/24/1989

RPI 992

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 01/03/2004

12/15/2009

RPI 2032

Pedido de licença compulsória

#20.1

10/08/1996

RPI 1349

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

04/25/1995

RPI 1273

Exigência - art. 36 da LPI

#6.1

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

12/03/1991

RPI 1096

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