Official data from INPI

BATERIA DE RESERVA

PublicadaInvention Patent

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Application data

Number

PI8803462

Type

Invention Patent

Filing

07/08/1988

Publication

01/31/1989

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Progress at the INPI

Filing07/08/88
Publication01/31/89
Examination08/06/91
Allowance07/26/94
Grant03/28/95
Expired09/02/08

The letters patent expired on 09/02/2008: 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Power Cell, Inc.

Inventors

G. T. (pessoa física)

Technical data

IPC Classification

H02J 7/00

Priority claims

072.112 · 07/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

12/13/1988

RPI 947

Carta-patente expirada

#21.1

Patente extinta em 08/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/22/1994

RPI 1251

Deferimento

#9.1

07/26/1994

RPI 1234

Exigência - art. 36 da LPI

#6.1

01/25/1994

RPI 1208

Solicitação de exame técnico

#4.1

08/06/1991

RPI 1079

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