Official data from INPI

APERFEICOAMENTOS EM CAIXA DE REATOR PARA LAMPADAS FLUORESCENTES

ConcedidaUtility Model

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Application data

Number

MU6001147

Type

Utility Model

Filing

09/04/1980

Publication

05/04/1982

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Progress at the INPI

Filing09/04/80
Publication05/04/82
Examination07/27/82
Allowance02/21/84
Grant09/25/84
Expired12/07/93

The letters patent expired on 12/07/1993: 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KEIKO BRASIL IND & COM

Inventors

M. I. (pessoa física)

Technical data

IPC Classification

H01F 27/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

Solicitação de exame técnico

#4.1

07/27/1982

RPI 614

Publicação do pedido de patente

#3.1

05/04/1982

RPI 602

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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