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

PROCESSO PARA PREPARAÇÃO DE UMA SÍLICA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002018

Type

Invention Patent

Filing

04/30/1990

Publication

08/13/1991

Progress at the INPI

  1. Filing04/30/90
  2. Publication08/13/91
  3. Examination01/14/92
  4. Allowance04/07/98
  5. Grant11/24/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

See this company's full portfolio

Inventors

Y. C. (pessoa física)

FR

Technical data

Priority claims

FR

89 05812 · 05/02/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/07/1998

RPI 1424

Exigência - art. 36 da LPI

#6.1

01/09/1996

RPI 1310

6.2

07/18/1995

RPI 1285

Solicitação de exame técnico

#4.1

01/14/1992

RPI 1102

Publicação do pedido de patente

#3.1

08/13/1991

RPI 1080

Pedido de patente depositado

#2.1

09/11/1990

RPI 1032

Related

From the same holder

Patent monitoring

Track this patent in real time.

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