Official data from INPI

RELE DE CORRENTE INDEPENDENTE

Em AnáliseInvention Patent

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Application data

Number

PI7608404

Type

Invention Patent

Filing

12/15/1976

Publication

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Progress at the INPI

Filing12/15/76
Publication
Examination
Allowance
Grant04/26/83
Terminated11/24/87

The patent was granted on 04/26/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ELFA SEG ELETRO ELETRONICA LTD

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Inventors

K. C. (pessoa física)

Technical data

IPC Classification

H01H 45/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

Concessão da patente

#16.1

04/26/1983

RPI 653

14.7

11/09/1982

RPI 629

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

15.0

11/24/1981

RPI 579

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