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Official data from INPI

APARELHO PARA APLICAR VITRIFICADO EM FORMA GRANULAR A LADRILHOS MANTIDOS A UMA ALTA TEMPERATURA

PublicadaInvention Patent

Application data

Number

PI8703921

Type

Invention Patent

Filing

07/30/1987

Publication

04/05/1988

Progress at the INPI

  1. Filing07/30/87
  2. Publication04/05/88
  3. Examination11/27/90
  4. Allowance03/10/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ceramica Filippo Marazzi S.p.A.

IT

Inventors

F. M. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21363A/86 · 08/01/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/05/1988

RPI 911

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 30/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

03/10/1992

RPI 1110

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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