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Official data from INPI

DISPOSITIVO CONTROLADOR DE TEMPERATURA DE RESISTÊNCIA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000284

Type

Invention Patent

Filing

01/24/1990

Publication

10/08/1991

Progress at the INPI

  1. Filing01/24/90
  2. Publication10/08/91
  3. Examination12/17/91
  4. Allowance07/11/95
  5. Grant03/26/96
  6. Expired05/11/10

The letters patent expired on 05/11/2010: 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: 05/11/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. B. (pessoa física)

SP, BR

M. B. (pessoa física)

SP, BR

Inventors

M. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/01/2005

05/11/2010

RPI 2053

Concessão da patente

#16.1

03/26/1996

RPI 1321

Notificação para pagamento de retribuição

#13.1

11/21/1995

RPI 1303

Deferimento

#9.1

07/11/1995

RPI 1284

15.20

08/02/1994

RPI 1235

15.5

05/17/1994

RPI 1224

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

Publicação do pedido de patente

#3.1

10/08/1991

RPI 1088

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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