Official data from INPI

RETENTOR TERMICO APERFEICOADO

IndeferidaInvention Patent

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Application data

Number

PI8300898

Type

Invention Patent

Filing

02/24/1983

Publication

06/21/1983

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Progress at the INPI

Under appeal

Filing02/24/83
Publication06/21/83
Examination10/11/83
Refused12/02/86
Grant
In force

The application was refused by the INPI on 12/02/1986. The invention was never patented.

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Latest action published by the INPI: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

REFRATARIOS & ISOLANTES SA [BR]

Inventors

B. M. (pessoa física)

Technical data

IPC Classification

C04B 43/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

04/22/1987

RPI 861

Indeferimento

#9.2

12/02/1986

RPI 841

Conhecimento de parecer técnico

#7.1

08/06/1985

RPI 772

14.4

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação antecipada

#3.2

06/21/1983

RPI 661

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

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