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Official data from INPI

FOLHA PARA REVELACAO DE CORES PARA PROCESSO DE COPIA SEM CARBONO

IndeferidaInvention Patent

Application data

Number

PI7907769

Type

Invention Patent

Filing

11/29/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing11/29/79
  2. Publication
  3. Examination
  4. Refused08/14/84
  5. Grant
  6. In force

The application was refused by the INPI on 08/14/1984. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/04/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MITSUBISHI PAPER MILLS LTD

Inventors

T. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

12/04/1984

RPI 737

Indeferimento

#9.2

08/14/1984

RPI 721

Conhecimento de parecer técnico

#7.1

11/08/1983

RPI 681

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21H 1/22; B32B 29/00.

03/27/2018

RPI 2464

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