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Official data from INPI

PORCELANA DE RESISTÊNCIA ELEVADA E MÉTODO PARA SUA MANUFATURA

Arquivada/ExtintaInvention PatentPCT · US1995010540

Application data

Number

PI9508637

Type

Invention Patent

Filing

08/17/1995

Publication

11/25/1997

PCT

US1995010540

Progress at the INPI

  1. Filing08/17/95
  2. Publication11/25/97
  3. Examination
  4. Allowance04/15/03
  5. Grant08/05/03
  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

R. C. (pessoa física)

US

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Inventors

A. C. (pessoa física)

US

K. K. (pessoa física)

US

L. M. (pessoa física)

US

M. M. (pessoa física)

US

R. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

297451 · 08/29/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/08/2015

11/24/2015

RPI 2342

Concessão da patente

#16.1

08/05/2003

RPI 1700

Deferimento

#9.1

04/15/2003

RPI 1684

Exigência - art. 36 da LPI

#6.1

12/24/2002

RPI 1668

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1997

RPI 1408

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