Official data from INPI

ESTRUTURA DE SUSTENTACAO E MONTAGEM DE RESFRIADORES DE LIQUIDOS

Arquivada/ExtintaUtility Model

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Application data

Number

MU5700494

Type

Utility Model

Filing

05/03/1977

Publication

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Progress at the INPI

Filing05/03/77
Publication
Examination
Allowance10/06/81
Grant
Expired08/16/88

The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HITACHI LINE IND ELETRICA SA

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

20.7

09/13/1983

RPI 673

20.4

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

02/02/1982

RPI 589

Deferimento

#9.1

10/06/1981

RPI 572

From the same holder

UNIDADE MODULAR DE CONDICIONAMENTO DE AR POLIA DUPLA REGULAVEL CIRCUITO DE CONTROLE DE PARTIDA SEQUENCIAL DE MOTORES,ALTERNAVEL,COM CONTROLE TERMOSTATICO DE PARADA SEQUENCIAL ALTERNAVEL E ROTATIVO,COM CONTINUIDADE DE FUNCIONAMENTO

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