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Official data from INPI

DISPOSITIVO DETECTOR PORTÁTIL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001391

Type

Invention Patent

Filing

03/27/1990

Publication

11/05/1991

Progress at the INPI

  1. Filing03/27/90
  2. Publication11/05/91
  3. Examination02/22/94
  4. Allowance09/13/94
  5. Grant05/30/95
  6. Expired05/18/10

The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hydro-Quebec

CA

See this company's full portfolio

Inventors

A. G. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

331.293 · 03/31/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/03/2005

05/18/2010

RPI 2054

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

01/17/1995

RPI 1259

Deferimento

#9.1

09/13/1994

RPI 1241

Solicitação de exame técnico

#4.1

02/22/1994

RPI 1212

3.4

03/03/1992

RPI 1109

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

07/24/1990

RPI 1025

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