(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA SEPARAÇÃO DE SAIS EM ÁGUA DO MAR

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000731

Type

Invention Patent

Filing

02/16/1990

Publication

01/22/1991

Progress at the INPI

  1. Filing02/16/90
  2. Publication01/22/91
  3. Examination11/19/91
  4. Allowance04/09/96
  5. Grant04/29/97
  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

A. N. (pessoa física)

JP

H. N. (pessoa física)

JP

Inventors

A. N. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

1-40092 · 02/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/02/2005

05/11/2010

RPI 2053

Concessão da patente

#16.1

04/29/1997

RPI 1378

Deferimento

#9.1

04/09/1996

RPI 1323

Exigência - art. 36 da LPI

#6.1

10/03/1995

RPI 1296

6.2

04/11/1995

RPI 1271

14.1

08/02/1994

RPI 1235

Solicitação de exame técnico

#4.1

11/19/1991

RPI 1094

Publicação do pedido de patente

#3.1

01/22/1991

RPI 1051

Pedido de patente depositado

#2.1

06/05/1990

RPI 1021

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.