Carta-patente expirada
#21.1
Patente extinta em 28/02/2014
06/23/2015
RPI 2320
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Official data from INPI
PILHA ELETROQUÍMICA RECARREGÁVEL
Arquivada/ExtintaInvention PatentPCT · CA1994000112
Application data
Number
PI9406476Type
Invention Patent
Filing
02/28/1994
Publication
01/23/1996
PCT
CA1994000112 Progress at the INPI
- Filing02/28/94
- Publication01/23/96
- Examination11/12/96
- Allowance09/05/00
- Grant12/12/00
- Expired06/23/15
The letters patent expired on 06/23/2015: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 06/23/2015. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
2216345 Ontario Inc.
CA
Battery Technologies Inc.
CA
Ecosol Solar Technologies Inc.
US
Inventors
C. M. (pessoa física)
CA
K. T. (pessoa física)
CA
Technical data
IPC Classification
Priority claims
US
08/049,405 · 04/20/1993
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Transferência deferida
#25.1
Transferido de: Ecosol Solar Technologies Inc.
09/13/2011
RPI 2123
Transferência deferida
#25.1
Transferido de: Battery Technologies Inc.
08/30/2011
RPI 2121
Concessão da patente
#16.1
12/12/2000
RPI 1562
Deferimento
#9.1
09/05/2000
RPI 1548
Solicitação de exame técnico
#4.1
11/12/1996
RPI 1354
Notificação de entrada na fase nacional - PCT
#1.3
01/23/1996
RPI 1312
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