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Official data from INPI

AQUECEDOR DE ÁGUA A GÁS.

Em ExigênciaInvention Patent

Application data

Number

PI8604803

Type

Invention Patent

Filing

09/30/1986

Publication

05/10/1988

Progress at the INPI

  1. Filing09/30/86
  2. Publication05/10/88
  3. Examination08/30/88
  4. Allowance03/13/90
  5. Grant10/30/90
  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: 06/20/1989. 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

303.076 · 02/06/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

Solicitação de exame técnico

#4.1

08/30/1988

RPI 932

Publicação do pedido de patente

#3.1

05/10/1988

RPI 916

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

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

07/24/1990

RPI 1025

Deferimento

#9.1

03/13/1990

RPI 1009

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