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Official data from INPI

MÁQUINA ELÉTRICA POLIFÁSICA COM DENSIDADE DE FLUXO MAGNÉTICO CONTROLADA.

ConcedidaInvention Patent

Application data

Number

PI8008787

Type

Invention Patent

Filing

08/13/1980

Publication

-

Progress at the INPI

  1. Filing08/13/80
  2. Publication
  3. Examination07/19/83
  4. Allowance08/06/85
  5. Grant03/25/86
  6. Terminated08/09/94

The patent was granted on 03/25/1986 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: 03/25/1986. 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

066.410 · 08/14/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Conhecimento de parecer técnico

#7.1

12/18/1984

RPI 739

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.

03/20/2018

RPI 2463

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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