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Official data from INPI

DISPOSITIVO PARA-CHAMAS PARA ARTEFATO AQUECEDOR

Em AnáliseInvention Patent

Application data

Number

PI8604800

Type

Invention Patent

Filing

09/30/1986

Publication

11/17/1987

Progress at the INPI

  1. Filing09/30/86
  2. Publication11/17/87
  3. Examination03/15/88
  4. Allowance05/23/89
  5. Grant01/09/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sibro Sociedad Anonima Financiera Inmobiliaria y Comercial

AR

Inventors

E. J. (pessoa física)

AR

Technical data

IPC Classification

Priority claims

AR

304.059 · 05/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

11/17/1987

RPI 891

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Carta-patente expirada

#21.1

Patente extinta em 30/09/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

01/09/1990

RPI 1001

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