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Official data from INPI

INTERRUPTOR DE CIRCUITO MULTIPOLAR

PublicadaInvention Patent

Application data

Number

PI8703099

Type

Invention Patent

Filing

06/19/1987

Publication

03/08/1988

Progress at the INPI

  1. Filing06/19/87
  2. Publication03/08/88
  3. Examination10/30/90
  4. Allowance05/31/94
  5. Grant08/30/94
  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: 03/08/1988. 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

M. W. (pessoa física)

US

S. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

876,557 · 06/20/1986

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 19/06/2002

07/29/2008

RPI 1960

Pedido de licença compulsória

#20.1

10/24/1995

RPI 1299

Concessão da patente

#16.1

08/30/1994

RPI 1239

100

05/31/1994

RPI 1226

Petição de recurso

#12.2

02/16/1994

RPI 1211

Indeferimento

#9.2

11/03/1993

RPI 1196

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

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