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Official data from INPI

APARELHO DE COMBUSTAO EM LEITO FLUIDIFICADO

Em AnáliseInvention Patent

Application data

Number

PI8108869

Type

Invention Patent

Filing

11/19/1980

Publication

10/13/1982

Progress at the INPI

  1. Filing11/19/80
  2. Publication10/13/82
  3. Examination07/17/84
  4. Allowance04/08/86
  5. Grant09/30/86
  6. Terminated07/12/88

The patent was granted on 09/30/1986 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PEABODY ENGINEERING CORP [US]

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

Conhecimento de parecer técnico

#7.1

02/20/1985

RPI 748

Solicitação de exame técnico

#4.1

07/17/1984

RPI 717

Notificação de entrada na fase nacional - PCT

#1.3

10/13/1982

RPI 625

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