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

DISPERSÃO AQUOSA DE SILICONE QUE RETICULA EM UM ELASTÔMERO POR ELIMINAÇÃO DE ÁGUA EM CONDIÇÕES AMBIENTES

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904277

Type

Invention Patent

Filing

08/25/1989

Publication

04/17/1990

Progress at the INPI

  1. Filing08/25/89
  2. Publication04/17/90
  3. Examination04/21/92
  4. Allowance12/10/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. 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

J. U. (pessoa física)

FR

M. F. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88 11609 · 08/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/08/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Deferimento

#9.1

12/10/1996

RPI 1358

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Solicitação de exame técnico

#4.1

04/21/1992

RPI 1116

Publicação do pedido de patente

#3.1

04/17/1990

RPI 1014

Pedido de patente depositado

#2.1

01/23/1990

RPI 1003

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.