Official data from INPI

DISPOSITIVO DE TESTE PARA LAMPADAS FLUORESCENTES

Em AnáliseUtility Model

Talk to an expert

Application data

Number

MU5801651

Type

Utility Model

Filing

11/23/1978

Publication

View on INPI

Progress at the INPI

Filing11/23/78
Publication
Examination
Allowance10/13/82
Grant06/28/83
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.

Talk to a specialist

Latest action published by the INPI: 11/18/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GTE BRASIL SA IND COM

Inventors

C. A. (pessoa física)

Technical data

IPC Classification

H05B 37/03

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

11/18/1986

RPI 839

Cessão de direito de exploração

#22.1

02/26/1985

RPI 749

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

02/16/1983

RPI 643

Deferimento

#9.1

10/13/1982

RPI 625

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

From the same holder

DISPOSITIVO INJETOR DE MUSICA NA ESPERA,EM COMUNICACOES TELEFONICAS

Same category

MICROFONE SEM FIO DOTADO DE CÂMARA DE RESSONÂNCIA.PI9917905 PI9917904 PI9917902 PI9917898 PI9917895 PI9917684 PI9917655

Explore category

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.