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Official data from INPI

PROCESSO E APARELHO PARA GERAR CHAMA.

Em ExigênciaInvention Patent

Application data

Number

PI8506880

Type

Invention Patent

Filing

08/12/1985

Publication

12/09/1986

Progress at the INPI

  1. Filing08/12/85
  2. Publication12/09/86
  3. Examination02/23/88
  4. Allowance03/06/90
  5. Grant09/25/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 08/08/1989. 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

Priority claims

US

642.141 · 08/17/1984

US

755.831 · 07/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/08/1989

RPI 981

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

Carta-patente expirada

#21.1

Patente extinta em 12/08/2000

07/15/2008

RPI 1958

Republicação - classificação IPC

#15.11

07/02/1991

RPI 1074

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

06/26/1990

RPI 1024

Deferimento

#9.1

03/06/1990

RPI 1008

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