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Official data from INPI

CORPO DE AERONAVE FORMADO POR MATERIAL DE METAL DELGADO, PROCESSO PARA REFORÇAR REVESTIMENTO DE AERONAVE E ESTRUTURA DE BARREIRA

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9006576

Type

Invention Patent

Filing

12/26/1990

Publication

10/01/1991
View on INPI

Progress at the INPI

  1. Filing12/26/90
  2. Publication10/01/91
  3. Examination07/06/93
  4. Allowance05/17/94
  5. Grant03/28/95
  6. Expired06/08/10

The letters patent expired on 06/08/2010: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/08/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Florida Intern.University, For And on Behalf of The Board of Regents

US

Inventors

M. T. (pessoa física)

US

Technical data

IPC Classification

B64C 1/00

Priority claims

US

07/456,533 · 12/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/12/2005

06/08/2010

RPI 2057

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

09/27/1994

RPI 1243

Deferimento

#9.1

05/17/1994

RPI 1224

Solicitação de exame técnico

#4.1

07/06/1993

RPI 1179

Publicação do pedido de patente

#3.1

10/01/1991

RPI 1087

Pedido de patente depositado

#2.1

06/11/1991

RPI 1071

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