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Official data from INPI

APERFEIÇOAMENTO EM DETENTOR DE ÁGUA PARA JANELA

Em AnáliseInvention Patent

Application data

Number

PI8704014

Type

Invention Patent

Filing

08/06/1987

Publication

04/05/1988

Progress at the INPI

  1. Filing08/06/87
  2. Publication04/05/88
  3. Examination10/24/89
  4. Allowance01/02/91
  5. Grant11/26/91
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dallaire Industries Ltd

CA

See this company's full portfolio

Inventors

D. D. (pessoa física)

CA

R. D. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

GB

8619620 · 08/12/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

04/05/1988

RPI 911

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Carta-patente expirada

#21.1

Patente extinta em 06/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/26/1991

RPI 1095

14.1

06/11/1991

RPI 1071

14.10

06/11/1991

RPI 1071

14.4

04/30/1991

RPI 1065

Deferimento

#9.1

01/02/1991

RPI 1048

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