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Official data from INPI

SEPARADOR ROTATIVO DE FLUXO AXIAL

Em AnáliseInvention Patent

Application data

Number

PI7902652

Type

Invention Patent

Filing

05/01/1978

Publication

-

Progress at the INPI

  1. Filing05/01/78
  2. Publication
  3. Examination10/27/81
  4. Allowance07/19/83
  5. Grant01/31/84
  6. Terminated07/12/88

The patent was granted on 01/31/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DEERE & CO

See this company's full portfolio

Inventors

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Exigência - art. 36 da LPI

#6.1

01/04/1983

RPI 637

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

Solicitação de exame técnico

#4.1

10/27/1981

RPI 575

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