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Official data from INPI

PROCESSO PARA FLUIDIZAR UM SÓLIDO EM PARTÍCULAS EM UM LEITO FLUIDIZADO MISTO, COMPOSIÇÃO ADEQUADA PARA FLUIDIZAÇÃO E LEITO FLUIDIZADO DE DUAS CAMADAS.

Em AnáliseInvention Patent

Application data

Number

PI8506339

Type

Invention Patent

Filing

12/17/1985

Publication

08/26/1986

Progress at the INPI

  1. Filing12/17/85
  2. Publication08/26/86
  3. Examination08/30/88
  4. Allowance04/02/91
  5. Grant10/29/91
  6. Terminated09/19/95

The patent was granted on 10/29/1991 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRW Inc

US

See this company's full portfolio

Inventors

E. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

684.424 · 12/20/1984

US

696.670 · 01/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/30/1988

RPI 932

Publicação do pedido de patente

#3.1

08/26/1986

RPI 827

Pedido de patente depositado

#2.1

03/04/1986

RPI 802

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/16/1991

RPI 1076

Deferimento

#9.1

04/02/1991

RPI 1061

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