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Official data from INPI

APERFEIÇOAMENTO EM AERADOR.

Em AnáliseInvention Patent

Application data

Number

PI8301510

Type

Invention Patent

Filing

03/24/1983

Publication

10/30/1984

Progress at the INPI

  1. Filing03/24/83
  2. Publication10/30/84
  3. Examination10/07/86
  4. Allowance09/15/87
  5. Grant07/26/88
  6. Terminated04/25/95

The patent was granted on 07/26/1988 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. L. (pessoa física)

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Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/14/1989

RPI 956

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

10/07/1986

RPI 833

Publicação do pedido de patente

#3.1

10/30/1984

RPI 732

Pedido de patente depositado

#2.1

05/10/1983

RPI 655

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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