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Official data from INPI

BALÃO AEROSTÁTICO PILOTÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8507096

Type

Invention Patent

Filing

11/25/1985

Publication

03/31/1987

Progress at the INPI

  1. Filing11/25/85
  2. Publication03/31/87
  3. Examination10/06/87
  4. Allowance05/23/89
  5. Grant02/06/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centre National D'Etudes Spatiales (C.N.E.S.)

FR

Inventors

R. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

FR

8418798 · 12/06/1984

FR

PCT/85/00332 · 11/21/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

03/31/1987

RPI 858

Carta-patente expirada

#21.1

Patente extinta em 25/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

02/06/1990

RPI 1005

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