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

PROCESSO DE FABRICAÇÃO DE FIBRAS CERÂMICAS Á BASE DE SUPERCONDUTORES ÓXIDOS E PRODUTO RESULTANTE

PublicadaInvention Patent
Talk to an expert

Application data

Number

PI8703412

Type

Invention Patent

Filing

06/08/1987

Publication

01/17/1989
View on INPI

Progress at the INPI

Under appeal
  1. Filing06/08/87
  2. Publication01/17/89
  3. Examination04/02/91
  4. Refused03/19/96
  5. Grant
  6. In force

The application was refused by the INPI on 03/19/1996. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundação Universidade Federal de Sào Carlos

Pirelli Cabos S.A.

SP, BR

Pirelli S/A Companhia Industrial Brasileira

SP, BR

U. C. (pessoa física)

SP, BR

See this company's full portfolio

Inventors

C. F. (pessoa física)

BR

E. Z. (pessoa física)

BR

G. V. (pessoa física)

BR

P. F. (pessoa física)

BR

Technical data

IPC Classification

C04B 35/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/17/1989

RPI 952

Pedido de patente depositado

#2.1

07/19/1988

RPI 926

Indeferimento

#9.2

03/19/1996

RPI 1320

Conhecimento de parecer técnico

#7.1

11/08/1994

RPI 1249

14.4

06/16/1992

RPI 1124

Solicitação de exame técnico

#4.1

04/02/1991

RPI 1061

Related

Patent monitoring

Track this patent in real time.

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