Official data from INPI

DISPOSITIVO PARA O CONTROLE MULTIFÁSICO DE CORRENTE

Arquivada/ExtintaInvention Patent

Talk to an expert

Application data

Number

PI9101876

Type

Invention Patent

Filing

05/08/1991

Publication

12/17/1991

View on INPI

Progress at the INPI

Filing05/08/91
Publication12/17/91
Examination02/08/94
Allowance09/29/98
Grant07/27/99
Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Magnet-Bahn Gmbh

Inventors

B. H. (pessoa física)

Technical data

IPC Classification

H01H 53/00

Priority claims

P 40 14 820.3 · 05/09/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/05/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

09/29/1998

RPI 1449

Solicitação de exame técnico

#4.1

02/08/1994

RPI 1210

Publicação do pedido de patente

#3.1

12/17/1991

RPI 1098

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.