Official data from INPI

CONTROLE DIFERENCIAL DE TEMERATURA

Em AnáliseInvention Patent

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Application data

Number

PI7906600

Type

Invention Patent

Filing

10/11/1979

Publication

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Progress at the INPI

Filing10/11/79
Publication
Examination
Allowance05/04/82
Grant
Terminated01/28/92

The patent was granted 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PEXTRON IND ELETRONICA LTD

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/12/1988

RPI 925

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

Deferimento

#9.1

05/04/1982

RPI 602

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

From the same holder

APERFEICOAMENTO EM CABECOTE OPTICO CONTROLADOR ELETRONICO PARA BARREIRA DE LUZ CODIFICADA DISPOSITIVO FOTOELETRICO UNIFICADO TERMINAL PARA CONTATOS ELETRICOS DISPOSICAO CONSTRUTIVA EM KNOBS SENSOR DE DIFERENCA ENTRE TENSOES DISPOSICAO CONSTRUTIVA EM TOMADA MULTIPLA

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