Official data from INPI

SISTEMA PARA MISTURA DE CARVAO PULVERIZADO AOS OLEOS COMBUSTIVEIS

IndeferidaInvention Patent

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Application data

Number

PI8100232

Type

Invention Patent

Filing

01/14/1981

Publication

09/21/1982

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Progress at the INPI

Under appeal

Filing01/14/81
Publication09/21/82
Examination12/04/84
Refused02/03/87
Grant
In force

The application was refused by the INPI on 02/03/1987. The invention was never patented.

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Latest action published by the INPI: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KL & M ENG & CONSULT SC LTD [BR]

Inventors

N. L. (pessoa física)

Technical data

IPC Classification

C10L 1/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/03/1987

RPI 850

Pedido de certificado de adição de invenção

#5.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

12/04/1984

RPI 737

Publicação do pedido de patente

#3.1

09/21/1982

RPI 622

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