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Official data from INPI

PROCESSO DE PRODUÇÃO DE UM MATERIAL DE PROTEÇÃO DE VOLTAGEM VARIÁVEL

Arquivada/ExtintaInvention PatentPCT · US1995008808

Application data

Number

PI9508407

Type

Invention Patent

Filing

07/14/1995

Publication

12/23/1997

PCT

US1995008808

Progress at the INPI

  1. Filing07/14/95
  2. Publication12/23/97
  3. Examination
  4. Allowance09/04/01
  5. Grant01/22/02
  6. Expired11/24/15

The letters patent expired on 11/24/2015: 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: 11/24/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

G. B. (pessoa física)

US

J. I. (pessoa física)

US

K. J. (pessoa física)

US

K. S. (pessoa física)

US

W. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/275.154 · 07/14/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/07/2015

11/24/2015

RPI 2342

Concessão da patente

#16.1

01/22/2002

RPI 1620

Deferimento

#9.1

09/04/2001

RPI 1600

Exigência - art. 36 da LPI

#6.1

10/24/2000

RPI 1555

Notificação de entrada na fase nacional - PCT

#1.3

12/23/1997

RPI 1409

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