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Official data from INPI

SISTEMA DE ORDEM DE SEQUENCIA DE CORRENTE FLUTUANTE DE ALTA TENSAO DE CORRENTE CONTINUA(ATCC)

ConcedidaInvention Patent

Application data

Number

PI7803803

Type

Invention Patent

Filing

06/13/1978

Publication

-

Progress at the INPI

  1. Filing06/13/78
  2. Publication
  3. Examination12/29/81
  4. Allowance03/08/83
  5. Grant08/30/83
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. E. (pessoa física)

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Inventors

D. D. (pessoa física)

L. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1983

RPI 671

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

Solicitação de exame técnico

#4.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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