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Official data from INPI

CONCRETO PARA O REVESTIMENTO REFRATÁRIO PARA A QUEIMA DE RESÍDUOS COMBUSTÍVEISSÓ LÍQUIDOS

Em AnáliseInvention Patent

Application data

Number

PI8502496

Type

Invention Patent

Filing

05/22/1985

Publication

12/30/1986

Progress at the INPI

Under appeal
  1. Filing05/22/85
  2. Publication12/30/86
  3. Examination04/22/87
  4. Refused05/15/90
  5. Grant
  6. In force

The application was refused by the INPI on 05/15/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

SP, BR

Inventors

C. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

09/05/1989

RPI 985

Solicitação de exame técnico

#4.1

04/22/1987

RPI 861

Publicação do pedido de patente

#3.1

12/30/1986

RPI 845

Pedido de patente depositado

#2.1

08/06/1985

RPI 772

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C04B 35/68; C04B 35/14.

03/27/2018

RPI 2464

Indeferimento

#9.2

05/15/1990

RPI 1018

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