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

COMBINAÇÃO COLETORA PARA MINÉRIOS QUE NÃO SULFETOS

Em AnáliseInvention Patent

Application data

Number

PI7705672

Type

Invention Patent

Filing

08/25/1977

Publication

-

Progress at the INPI

  1. Filing08/25/77
  2. Publication
  3. Examination
  4. Allowance11/16/82
  5. Grant05/31/83
  6. Terminated12/15/87

The patent was granted on 05/31/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

E. J. (pessoa física)

US

S. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

723,842 · 09/16/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Republicação - classificação IPC

#15.11

12/04/1984

RPI 737

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

03/22/1983

RPI 648

Deferimento

#9.1

11/16/1982

RPI 630

Exigência - art. 36 da LPI

#6.1

02/09/1982

RPI 590

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.