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Official data from INPI

PROCESSO PARA INTRODUZIR UM ADITIVO PARA DETECÇÃO DE VAZAMENTO NO INTERIOR DE UM SISTEMA DE REFRIGERAÇÃO

Arquivada/ExtintaInvention PatentPCT · US1995004262

Application data

Number

PI9508649

Type

Invention Patent

Filing

04/06/1995

Publication

11/25/1997

PCT

US1995004262

Progress at the INPI

  1. Filing04/06/95
  2. Publication11/25/97
  3. Examination
  4. Allowance10/24/06
  5. Grant01/30/07
  6. Expired02/21/17

The letters patent expired on 02/21/2017: 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: 02/21/2017. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

B. C. (pessoa física)

US

L. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/297355 · 08/29/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/01/2017

02/21/2017

RPI 2407

Concessão da patente

#16.1

01/30/2007

RPI 1882

Deferimento

#9.1

10/24/2006

RPI 1868

Exigência - art. 36 da LPI

#6.1

12/27/2005

RPI 1825

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1997

RPI 1408

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