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

PROCESSO DE OBTENÇÃO DE MINI ESFERAS CERÂMICAS DE ALUMINA, A PARTIR DE PÓS EM SUSPENSÃO, SEM USO DE PRECURSORES

ArquivadaInvention Patent

Application data

Number

PI9102159

Type

Invention Patent

Filing

05/27/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing05/27/91
  2. Publication05/26/92
  3. Abandoned11/24/92
  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: 03/28/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto Nacional de Tecnologia

RJ, BR

See this company's full portfolio

Inventors

J. F. (pessoa física)

BR

J. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

03/28/2000

RPI 1525

Exigência - art. 36 da LPI

#6.1

05/04/1999

RPI 1478

Solicitação de exame técnico

#4.1

11/24/1992

RPI 1147

Publicação antecipada

#3.2

05/26/1992

RPI 1121

Pedido de patente depositado

#2.1

11/12/1991

RPI 1093

Patent monitoring

Track this patent in real time.

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