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Official data from INPI

SISTEMA DE FECHAMENTO DE SEGURANCA POR PARAFUSO PARA PANELAS DE PRESSAO

IndeferidaInvention Patent

Application data

Number

PI7900503

Type

Invention Patent

Filing

01/26/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing01/26/79
  2. Publication
  3. Examination12/22/81
  4. Refused08/02/83
  5. Grant
  6. In force

The application was refused by the INPI on 08/02/1983. The invention was never patented.

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Latest action published by the INPI: 08/02/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. L. (pessoa física)

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/02/1983

RPI 667

Conhecimento de parecer técnico

#7.1

08/24/1982

RPI 618

Pedido de certificado de adição de invenção

#5.1

05/25/1982

RPI 605

Solicitação de exame técnico

#4.1

12/22/1981

RPI 583

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