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Official data from INPI

Regulador de tensão suscetível de indicar falhas no sistema elétrico de um veículo automóvel.

ConcedidaInvention Patent

Application data

Number

PI8003771

Type

Invention Patent

Filing

06/17/1980

Publication

-

Progress at the INPI

  1. Filing06/17/80
  2. Publication
  3. Examination04/19/83
  4. Allowance07/31/84
  5. Grant02/26/85
  6. Expired09/12/95

The letters patent expired on 09/12/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

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Inventors

V. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

049320 · 06/18/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

11/13/1984

RPI 734

Deferimento

#9.1

07/31/1984

RPI 719

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Pedido de certificado de adição de invenção

#5.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

04/19/1983

RPI 652

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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