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Official data from INPI

SISTEMA DE ALARME SONORO INDICATIVO DE FALTA DE ENERGIA ELETRICA

Em AnáliseInvention Patent

Application data

Number

PI8901922

Type

Invention Patent

Filing

04/24/1989

Publication

08/22/1989

Progress at the INPI

  1. Filing04/24/89
  2. Publication08/22/89
  3. Examination09/05/89
  4. Allowance09/05/95
  5. Grant09/24/96
  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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. R. (pessoa física)

SP, BR

Fanem Ltda

SP, BR

Inventors

D. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/05/1989

RPI 985

Publicação antecipada

#3.2

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Carta-patente expirada

#21.1

Patente extinta em 24/04/2004

12/15/2009

RPI 2032

Transferência deferida

#25.1

12/23/1997

RPI 1409

Concessão da patente

#16.1

09/24/1996

RPI 1347

Notificação para pagamento de retribuição

#13.1

02/27/1996

RPI 1317

Deferimento

#9.1

09/05/1995

RPI 1292

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