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

PROCESSO PARA OBTENÇÃO DE ESFERAS DE ALUMINA DE ALTA SUPERFÍCIE E ALTA RESISTÊNCIA MECÂNICA

ArquivadaInvention Patent
Talk to an expert

Application data

Number

PI8906334

Type

Invention Patent

Filing

12/07/1989

Publication

06/11/1991
View on INPI

Progress at the INPI

  1. Filing12/07/89
  2. Publication06/11/91
  3. Abandoned01/05/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/17/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. N. (pessoa física)

RJ, BR

See this company's full portfolio

Inventors

A. S. (pessoa física)

Technical data

IPC Classification

C01F 7/00C04B 35/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/17/1999

RPI 1493

Exigência - art. 36 da LPI

#6.1

12/08/1998

RPI 1457

Exigência - art. 36 da LPI

#6.1

03/17/1998

RPI 1421

Solicitação de exame técnico

#4.1

01/05/1993

RPI 1153

Publicação do pedido de patente

#3.1

06/11/1991

RPI 1071

Pedido de patente depositado

#2.1

01/02/1991

RPI 1048

Related

Patent monitoring

Track this patent in real time.

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