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Official data from INPI

SISTEMA SENSOR DE PRESSÃO E COMUTADOR ELÉTRICO SENSÍVEL

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906796

Type

Invention Patent

Filing

12/22/1989

Publication

06/11/1991

Progress at the INPI

  1. Filing12/22/89
  2. Publication06/11/91
  3. Examination08/10/93
  4. Allowance11/29/94
  5. Grant07/25/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. B. (pessoa física)

CA

Inventors

J. B. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

07/447.807 · 12/08/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/04/1995

RPI 1270

Deferimento

#9.1

11/29/1994

RPI 1252

Exigência - art. 36 da LPI

#6.1

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

08/10/1993

RPI 1184

Publicação do pedido de patente

#3.1

06/11/1991

RPI 1071

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

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