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

PROCESSO PARA A PRODUCAO DE SULFETOS MEDIANTE CAMADA EM FUSAO EM ESCOAMENTO

IndeferidaInvention Patent

Application data

Number

PI8207941

Type

Invention Patent

Filing

10/26/1981

Publication

09/20/1983

Progress at the INPI

Under appeal
  1. Filing10/26/81
  2. Publication09/20/83
  3. Examination06/25/85
  4. Refused09/13/88
  5. Grant
  6. In force

The application was refused by the INPI on 09/13/1988. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROCKWELL INTERNATIONAL CORP [US]

See this company's full portfolio

Inventors

G. [. (pessoa física)

K. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/13/1988

RPI 934

Conhecimento de parecer técnico

#7.1

12/22/1987

RPI 896

14.1

11/04/1986

RPI 837

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Notificação de entrada na fase nacional - PCT

#1.3

09/20/1983

RPI 674

Patent monitoring

Track this patent in real time.

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