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Official data from INPI

PROCESSO E MISTURA PARA EXTINÇÃO DE CHAMA

Arquivada/ExtintaInvention PatentPCT · US1990004467

Application data

Number

PI9006888

Type

Invention Patent

Filing

08/09/1990

Publication

10/22/1991

PCT

US1990004467

Progress at the INPI

  1. Filing08/09/90
  2. Publication10/22/91
  3. Examination04/21/92
  4. Allowance10/07/97
  5. Grant09/29/98
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

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Inventors

M. R. (pessoa física)

US

Y. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

396.841 · 08/21/1989

US

439.738 · 11/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/08/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

09/29/1998

RPI 1449

Deferimento

#9.1

10/07/1997

RPI 1401

Exigência - art. 36 da LPI

#6.1

08/06/1996

RPI 1340

Solicitação de exame técnico

#4.1

04/21/1992

RPI 1116

Notificação de entrada na fase nacional - PCT

#1.3

10/22/1991

RPI 1090

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