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

PROCESSO E APARELHO PARA REMOVER CONTAMINANTES ORGÂNICOS DE SÓLIDOS MINERAIS RICOS EM INORGÂNICOS.

ConcedidaInvention Patent

Application data

Number

PI8207660

Type

Invention Patent

Filing

04/19/1982

Publication

03/29/1983

Progress at the INPI

  1. Filing04/19/82
  2. Publication03/29/83
  3. Examination12/26/84
  4. Allowance08/02/88
  5. Grant03/28/89
  6. Terminated04/18/95

The patent was granted on 03/28/1989 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Critical Fluid Systems, Inc.

Inventors

E. [. (pessoa física)

F. [. (pessoa física)

P. M. (pessoa física)

[. (pessoa física)

Technical data

IPC Classification

Priority claims

US

255,037 · 04/17/1981

US

PCT/82/00501 · 04/19/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

14.4

10/06/1987

RPI 885

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Solicitação de exame técnico

#4.1

12/26/1984

RPI 740

Notificação de entrada na fase nacional - PCT

#1.3

03/29/1983

RPI 649

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

Patent monitoring

Track this patent in real time.

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