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Official data from INPI

DISPOSITIVO INDICADOR DE TEMPERATURA E TERMÔMETRO DE ELEVAÇÃO SÚBITA

Arquivada/ExtintaInvention PatentPCT · US1995015404

Application data

Number

PI9510291

Type

Invention Patent

Filing

11/28/1995

Publication

11/11/1997

PCT

US1995015404

Progress at the INPI

  1. Filing11/28/95
  2. Publication11/11/97
  3. Examination
  4. Allowance02/19/02
  5. Grant06/11/02
  6. Expired12/15/15

The letters patent expired on 12/15/2015: 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: 12/15/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Volk Enterprises, Inc.

US

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Inventors

G. T. (pessoa física)

US

S. V. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/359299 · 12/19/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/11/2015

12/15/2015

RPI 2345

Concessão da patente

#16.1

06/11/2002

RPI 1640

Deferimento

#9.1

02/19/2002

RPI 1624

Notificação de entrada na fase nacional - PCT

#1.3

11/11/1997

RPI 1406

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