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Official data from INPI

PROJETO DE AERONAVE GRADUADO E PROCESSO DE CONSTRUÇÃO.

Em ExigênciaInvention Patent

Application data

Number

PI8507073

Type

Invention Patent

Filing

11/22/1985

Publication

07/14/1987

Progress at the INPI

  1. Filing11/22/85
  2. Publication07/14/87
  3. Examination09/06/88
  4. Allowance09/25/90
  5. Grant04/30/91
  6. Terminated08/15/95

The patent was granted on 04/30/1991 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fox Brothers Limited Partnership

US

Inventors

W. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

674.407 · 11/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/21/1989

RPI 996

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Notificação de entrada na fase nacional - PCT

#1.3

07/14/1987

RPI 873

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

01/08/1991

RPI 1049

Deferimento

#9.1

09/25/1990

RPI 1034

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