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Official data from INPI

ARTIGO DE CERÂMICA AGLOMERADA; ESTRUTURA DE CERÂMICA AGLOMERADA; PROCESSO PARA A PREPARAÇÃO DE UMA ESTRUTURA DE CERÂMICA AGLOMERADA

PublicadaInvention Patent

Application data

Number

PI8901552

Type

Invention Patent

Filing

04/03/1989

Publication

11/14/1989

Progress at the INPI

  1. Filing04/03/89
  2. Publication11/14/89
  3. Examination12/17/91
  4. Allowance08/10/99
  5. Abandoned
  6. In force

The application was allowed on 08/10/1999 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. W. (pessoa física)

US

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Inventors

J. D. (pessoa física)

US

R. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

177.050 · 04/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/14/1989

RPI 995

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º da LPI

11/14/2000

RPI 1558

Deferimento

#9.1

08/10/1999

RPI 1492

Exigência - art. 36 da LPI

#6.1

03/09/1999

RPI 1470

Exigência - art. 36 da LPI

#6.1

01/09/1996

RPI 1310

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

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