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

PROCESSO APERFEIÇOADO DE FLOTAÇÃO COM ESPUMA PARA BENEFICIAR UM MINÉRIO DE METAL DO GRUPO DO OURO, PRATA OU PLATINA

IndeferidaInvention Patent

Application data

Number

PI9001995

Type

Invention Patent

Filing

04/27/1990

Publication

08/13/1991

Progress at the INPI

Under appeal
  1. Filing04/27/90
  2. Publication08/13/91
  3. Examination10/13/93
  4. Refused11/03/98
  5. Grant
  6. In force

The application was refused by the INPI on 11/03/1998. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/03/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

S. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

07/345,749 · 05/01/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido com base nos artigo 8º da LPI 9279/96

11/03/1998

RPI 1452

Conhecimento de parecer técnico

#7.1

01/27/1998

RPI 1414

6.2

07/18/1995

RPI 1285

Solicitação de exame técnico

#4.1

10/13/1993

RPI 1193

Publicação do pedido de patente

#3.1

08/13/1991

RPI 1080

Pedido de patente depositado

#2.1

09/11/1990

RPI 1032

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.