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Official data from INPI

ISQUEIRO PRODUTOR DE CHAMA; MECANISMO DE SEGURANÇA INTERRUPTOR DE COMBUSTÍVEL PARA USO EM COMBINAÇÃO COM O MESMO

Arquivada/ExtintaInvention PatentPCT · US1989003795

Application data

Number

PI8907070

Type

Invention Patent

Filing

09/01/1989

Publication

01/08/1991

PCT

US1989003795

Progress at the INPI

  1. Filing09/01/89
  2. Publication01/08/91
  3. Examination09/24/91
  4. Allowance12/05/95
  5. Grant08/27/96
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

F. F. (pessoa física)

US

J. M. (pessoa física)

US

T. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

239,734 · 09/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/09/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/27/1996

RPI 1343

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

Deferimento

#9.1

12/05/1995

RPI 1305

Solicitação de exame técnico

#4.1

09/24/1991

RPI 1086

Notificação de entrada na fase nacional - PCT

#1.3

01/08/1991

RPI 1049

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