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Official data from INPI

CHAVE INTERRUPTORA AUTOMÁTICA PARA APARELHOS ELÉTRICOS HIDROTÉRMICOS

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8906588

Type

Invention Patent

Filing

12/15/1989

Publication

05/22/1990
View on INPI

Progress at the INPI

  1. Filing12/15/89
  2. Publication05/22/90
  3. Examination12/11/90
  4. Allowance05/23/95
  5. Grant01/30/96
  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.

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Latest action published by the INPI: 12/29/2009. 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

H01H 37/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

10/03/1995

RPI 1296

Deferimento

#9.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

12/11/1990

RPI 1045

Publicação antecipada

#3.2

05/22/1990

RPI 1019

Pedido de patente depositado

#2.1

04/03/1990

RPI 1012

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