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Official data from INPI

AERONAVE HIBRIDA DE ASA ROTATIVA, MISTO DE AUTOGIRO E HELICÓPTERO

PublicadaInvention Patent

Application data

Number

PI8700928

Type

Invention Patent

Filing

02/26/1987

Publication

09/06/1988

Progress at the INPI

Under appeal
  1. Filing02/26/87
  2. Publication09/06/88
  3. Examination11/20/90
  4. Refused11/19/91
  5. Grant
  6. In force

The application was refused by the INPI on 11/19/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. M. (pessoa física)

RJ, BR

Inventors

S. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/06/1988

RPI 933

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Indeferimento

#9.2

11/19/1991

RPI 1094

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

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