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Official data from INPI

TENAZ AUTO-PREÊNSIL.

IndeferidaInvention Patent

Application data

Number

PI8104154

Type

Invention Patent

Filing

06/30/1981

Publication

02/08/1983

Progress at the INPI

Under appeal
  1. Filing06/30/81
  2. Publication02/08/83
  3. Examination02/21/84
  4. Refused12/31/85
  5. Grant
  6. In force

The application was refused by the INPI on 12/31/1985. The invention was never patented.

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Latest action published by the INPI: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

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Inventors

E. E. (pessoa física)

P. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/31/1985

RPI 793

Republicação - classificação IPC

#15.11

01/15/1985

RPI 743

Conhecimento de parecer técnico

#7.1

11/06/1984

RPI 733

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

02/08/1983

RPI 642

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