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Official data from INPI

PAREDE DE FORNO RECUPERTIVA.

DeferidaInvention Patent

Application data

Number

PI8506879

Type

Invention Patent

Filing

08/12/1919

Publication

12/09/1986

Progress at the INPI

  1. Filing08/12/19
  2. Publication12/09/86
  3. Examination02/23/88
  4. Allowance11/14/89
  5. Grant06/26/90
  6. Terminated08/15/95

The patent was granted on 06/26/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Combustion, Inc.

US

Inventors

G. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

642.075 · 08/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

Solicitação de exame técnico

#4.1

02/23/1988

RPI 905

Notificação de entrada na fase nacional - PCT

#1.3

12/09/1986

RPI 842

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/20/1990

RPI 1010

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