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

PROCESSO DE REJUVENESCIMENTO DE REVESTIMENTO ASFÁLTICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005680

Type

Invention Patent

Filing

11/09/1990

Publication

06/30/1992

Progress at the INPI

  1. Filing11/09/90
  2. Publication06/30/92
  3. Examination05/11/93
  4. Allowance08/31/99
  5. Grant02/22/00
  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

Petróleo Brasileiro S/A - Petrobrás

RJ, BR

See this company's full portfolio

Inventors

G. C. (pessoa física)

BR

L. M. (pessoa física)

BR

P. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/11/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

08/31/1999

RPI 1495

Exigência - art. 36 da LPI

#6.1

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

05/11/1993

RPI 1171

Publicação do pedido de patente

#3.1

06/30/1992

RPI 1126

Pedido de patente depositado

#2.1

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.