Official data from INPI

FONTE DE ENERGIA DE EMERGÊNCIA.

ConcedidaInvention Patent

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Application data

Number

PI8008653

Type

Invention Patent

Filing

05/01/1980

Publication

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Progress at the INPI

Filing05/01/80
Publication
Examination10/19/82
Allowance01/31/84
Grant07/31/84
Expired11/21/95

The letters patent expired on 11/21/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exide Electronics International Corp.

Inventors

S. G. (pessoa física)

Technical data

IPC Classification

H02J 7/12 H02J 9/06 H02M 5/458 H02M 7/537

Priority claims

35.288 · 05/02/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Exigência - art. 36 da LPI

#6.1

08/23/1983

RPI 670

Solicitação de exame técnico

#4.1

10/19/1982

RPI 626

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

From the same holder

FONTE DE ENERGIA ELÉTRICA ESTABILIZADA.

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