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

PROCESSO DE PREPARAÇÃO DE GRANULADOS À BASE DE ÓXIDO DE ALUMÍNIO, E, GRANULADO À BASE DE ÓXIDO DE ALUMÍNIO AGLOMERADO

PublicadaInvention Patent

Application data

Number

PI8806266

Type

Invention Patent

Filing

11/29/1988

Publication

08/15/1989

Progress at the INPI

  1. Filing11/29/88
  2. Publication08/15/89
  3. Examination04/24/90
  4. Allowance09/19/95
  5. Grant04/30/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 08/15/1989. 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

F. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87 16550 · 11/30/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Carta-patente expirada

#21.1

Patente extinta em 29/11/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

08/30/1994

RPI 1239

Solicitação de exame técnico

#4.1

04/24/1990

RPI 1015

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.