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

COMPOSIÇÃO ELASTOMÉRICA TERMOPLÁSTICA E PROCESSO PARA SUA PREPARAÇÃO

PublicadaInvention Patent

Application data

Number

PI8901685

Type

Invention Patent

Filing

04/10/1989

Publication

11/21/1989

Progress at the INPI

  1. Filing04/10/89
  2. Publication11/21/89
  3. Examination03/03/92
  4. Allowance09/05/00
  5. Grant02/06/01
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Advanced Elastomer Systems, L.P.

US

See this company's full portfolio

Inventors

R. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

179.816 · 04/11/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/21/1989

RPI 996

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Carta-patente expirada

#21.1

Patente extinta em 06/02/2011

12/26/2012

RPI 2190

Concessão da patente

#16.1

02/06/2001

RPI 1570

Deferimento

#9.1

09/05/2000

RPI 1548

Exigência - art. 36 da LPI

#6.1

04/18/2000

RPI 1528

Conhecimento de parecer técnico

#7.1

08/10/1999

RPI 1492

6.9

03/17/1998

RPI 1421

Exigência - art. 36 da LPI

#6.1

03/03/1998

RPI 1419

Solicitação de exame técnico

#4.1

03/03/1992

RPI 1109

14.1

11/19/1991

RPI 1094

Patent monitoring

Track this patent in real time.

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