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Official data from INPI

MÉTODO PARA RESFRIAMENTO DE CERÂMICAS, ESPECIALMENTE AZULEJOS DE CERÂMICA PRODUZIDOS EM FORNOS DE CILINDROS E A INSTALAÇÃO RELATIVA

Arquivada/ExtintaInvention PatentPCT · IT1989000051

Application data

Number

PI8907565

Type

Invention Patent

Filing

07/17/1989

Publication

06/18/1991

PCT

IT1989000051

Progress at the INPI

  1. Filing07/17/89
  2. Publication06/18/91
  3. Examination04/21/92
  4. Allowance05/31/94
  5. Grant04/25/95
  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

R. R. (pessoa física)

IT

Inventors

R. R. (pessoa física)

IT

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/07/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

15.7

11/24/1992

RPI 1147

15.9

04/21/1992

RPI 1116

Solicitação de exame técnico

#4.1

04/21/1992

RPI 1116

Notificação de entrada na fase nacional - PCT

#1.3

06/18/1991

RPI 1072

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