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Official data from INPI

DISPOSITIVO DISJUNTOR DE SEGURANÇA PARA CAPACITORES ELETROLÍTICOS

Prazo de SigiloInvention Patent

Application data

Number

PI8902943

Type

Invention Patent

Filing

06/01/1989

Publication

01/23/1990

Progress at the INPI

  1. Filing06/01/89
  2. Publication01/23/90
  3. Examination10/16/90
  4. Allowance09/06/94
  5. Grant06/27/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. L. (pessoa física)

SP, BR

Inventors

C. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/01/1989

RPI 980

Carta-patente expirada

#21.1

Patente extinta em 01/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

01/10/1995

RPI 1258

Deferimento

#9.1

09/06/1994

RPI 1240

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Publicação antecipada

#3.2

01/23/1990

RPI 1003

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