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Official data from INPI

FONTE DE FORÇA DE CORRENTE CONTÍNUA REGENERATIVA CONTROLADA.

Em AnáliseInvention Patent

Application data

Number

PI8005749

Type

Invention Patent

Filing

09/09/1980

Publication

-

Progress at the INPI

  1. Filing09/09/80
  2. Publication
  3. Examination10/06/81
  4. Allowance11/01/83
  5. Grant05/29/84
  6. Terminated05/17/88

The patent was granted on 05/29/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

W. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

075.306 · 09/12/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Pedido de licença compulsória

#20.1

11/11/1986

RPI 838

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

05/31/1983

RPI 658

Solicitação de exame técnico

#4.1

10/06/1981

RPI 572

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