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Official data from INPI

COMPOSIÇÃO REFRATÁRIA.

IndeferidaInvention Patent

Application data

Number

PI8100237

Type

Invention Patent

Filing

01/16/1981

Publication

-

Progress at the INPI

Under appeal
  1. Filing01/16/81
  2. Publication
  3. Examination10/11/83
  4. Refused08/04/87
  5. Grant
  6. In force

The application was refused by the INPI on 08/04/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/04/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Combustion Engineering, Inc.

US

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Inventors

F. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

113.417 · 01/18/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/04/1987

RPI 876

Republicação - classificação IPC

#15.11

07/07/1987

RPI 872

Conhecimento de parecer técnico

#7.1

09/11/1984

RPI 725

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

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