Official data from INPI

SISTEMA DE PROTECAO CONTRA INCENDIO DE TRANSFORMADORES

Em AnáliseInvention Patent

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Application data

Number

PI7702749

Type

Invention Patent

Filing

04/20/1977

Publication

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Progress at the INPI

Filing04/20/77
Publication
Examination
Allowance
Grant08/17/82
Terminated12/08/87

The patent was granted on 08/17/1982 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. D. (pessoa física)

Inventors

F. D. (pessoa física)

Technical data

IPC Classification

H02H 7/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Pedido de licença compulsória

#20.1

06/21/1983

RPI 661

Concessão da patente

#16.1

08/17/1982

RPI 617

Notificação para pagamento de retribuição

#13.1

10/27/1981

RPI 575

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SINALIZADOR TERMO-ELETRICO PARA INSTALACOES PROTETORAS CONTRA INCENDIOS SINALIZADOR TERMO-ELETRICO ANTIDEFLAGRANTE PARA INSTALACOES PROTETORAS CONTRA INCENDIOS

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