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Official data from INPI

MÁQUINA ELÉTRICA COM VELOCIDADE VARIÁVEL E DENSIDADE DE FLUXO MAGNÉTICO CONTROLADA.

Em AnáliseInvention Patent

Application data

Number

PI8008788

Type

Invention Patent

Filing

08/13/1980

Publication

-

Progress at the INPI

  1. Filing08/13/80
  2. Publication
  3. Examination07/19/83
  4. Allowance06/12/84
  5. Grant12/26/84
  6. Terminated09/26/89

The patent was granted on 12/26/1984 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wanlass Technologies, Incorporated

Inventors

W. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

066.411 · 08/14/1979

US

80/01028 · 08/13/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/12/1984

RPI 712

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

07/19/1983

RPI 665

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era H02P 7/36.

03/27/2018

RPI 2464

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