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Official data from INPI

REATOR DE LEITO FLUIDIFICADO.

Em AnáliseInvention Patent

Application data

Number

PI8603541

Type

Invention Patent

Filing

07/28/1986

Publication

03/04/1987

Progress at the INPI

  1. Filing07/28/86
  2. Publication03/04/87
  3. Examination04/04/89
  4. Allowance04/20/93
  5. Grant09/28/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Degremont

FR

See this company's full portfolio

Inventors

C. P. (pessoa física)

US

J. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

FR

85 12236 · 08/06/1985

FR

86 09523 · 07/01/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/04/1989

RPI 963

Publicação do pedido de patente

#3.1

03/04/1987

RPI 854

Pedido de patente depositado

#2.1

01/06/1987

RPI 846

Carta-patente expirada

#21.1

Patente extinta em 28/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

08/17/1993

RPI 1185

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

06/02/1992

RPI 1122

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