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Official data from INPI

APARELHO PARA ESTABILIZAR TENSÃO DE CORRENTE ALTERNATIVA.

ArquivadaInvention Patent

Application data

Number

PI8102199

Type

Invention Patent

Filing

04/10/1981

Publication

12/01/1981

Progress at the INPI

  1. Filing04/10/81
  2. Publication12/01/81
  3. Abandoned09/14/82
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/19/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

B. J. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

140.054 · 04/14/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

03/19/1985

RPI 752

Exigência - art. 36 da LPI

#6.1

07/03/1984

RPI 715

Pedido de certificado de adição de invenção

#5.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

Publicação do pedido de patente

#3.1

12/01/1981

RPI 580

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