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Official data from INPI

Revestimento de catodo com catalisador de desprendimento de hidrogênio e polímero semi - condutor.

IndeferidaInvention Patent

Application data

Number

PI8207576

Type

Invention Patent

Filing

04/02/1982

Publication

03/29/1983

Progress at the INPI

Under appeal
  1. Filing04/02/82
  2. Publication03/29/83
  3. Examination02/12/85
  4. Refused12/02/86
  5. Grant
  6. 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: 12/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

G. [. (pessoa física)

H. [. (pessoa física)

K. [. (pessoa física)

Technical data

IPC Classification

Priority claims

EP

82/00075 · 04/02/1982

GB

8111256 · 04/09/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/02/1986

RPI 841

Conhecimento de parecer técnico

#7.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

02/12/1985

RPI 747

Notificação de entrada na fase nacional - PCT

#1.3

03/29/1983

RPI 649

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