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Official data from INPI

Aperfeiçoamento em radar de vigilância de aeroporto.

Em AnáliseInvention Patent

Application data

Number

PI8102081

Type

Invention Patent

Filing

04/06/1981

Publication

-

Progress at the INPI

  1. Filing04/06/81
  2. Publication
  3. Examination
  4. Allowance05/27/86
  5. Grant03/31/87
  6. Terminated05/24/88

The patent was granted on 03/31/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Centro Técnico Aeroespacial (CTA)

SP, BR

See this company's full portfolio

Inventors

D. C. (pessoa física)

M. J. (pessoa física)

W. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/31/1987

RPI 858

Notificação para pagamento de retribuição

#13.1

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

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