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Official data from INPI

MINI-HELICÓPTERO BI-EIXO

ArquivadaInvention Patent

Application data

Number

PI9504933

Type

Invention Patent

Filing

11/10/1995

Publication

10/21/1997

Progress at the INPI

  1. Filing11/10/95
  2. Publication10/21/97
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 11/10/1995 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/26/2002. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. N. (pessoa física)

MG, BR

Inventors

S. N. (pessoa física)

BR

Technical data

IPC Classification

Abstract

Patente de invenção "MINI-HELICÓPTERO BI-EIXO". Patente de invenção de um mini-helicóptero bi-eixo compreende um veículo voador, motorizado, que apresenta um sistema com dois eixos, um dentro do outro, cada qual com uma hélice, que giram reversamente entre sí.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

11/26/2002

RPI 1664

Publicação do pedido de patente

#3.1

10/21/1997

RPI 1403

Pedido de patente depositado

#2.1

12/19/1995

RPI 1307

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