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Official data from INPI

APARELHO E PROCESSO PARA A PRODUCAO DE UMA NOVA ARESTA EM UMA LAMINA DE AEROFOLIO,ESPECIALMENTE A LAMINA DA HELICE DE UMA TURBINA DE GASOLINA

Concessão AnuladaInvention Patent

Application data

Number

PI8206595

Type

Invention Patent

Filing

11/16/1981

Publication

10/04/1983

Progress at the INPI

  1. Filing11/16/81
  2. Publication10/04/83
  3. Examination01/10/84
  4. Allowance03/19/85
  5. Grant08/27/85
  6. Terminated01/03/95

The patent was granted on 08/27/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP [US]

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Inventors

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

10/29/1985

RPI 784

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/04/1983

RPI 637

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

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