Publicação do pedido de patente
#3.1
11/21/1989
RPI 996
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Official data from INPI
ARTIGO DE ALTA TRANSMITÂNCIA E BAIXA EMISSIVIDADE
PublicadaInvention Patent
Application data
Number
PI8901574Type
Invention Patent
Filing
04/04/1989
Publication
11/21/1989
Progress at the INPI
- Filing04/04/89
- Publication11/21/89
- Examination02/18/92
- Allowance10/10/95
- Grant07/30/96
- Expired12/15/09
The letters patent expired on 12/15/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
No applicants.
Inventors
J. F. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
05/23/1989
RPI 970
Carta-patente expirada
#21.1
Patente extinta em 04/04/2004
12/15/2009
RPI 2032
Concessão da patente
#16.1
07/30/1996
RPI 1339
Notificação para pagamento de retribuição
#13.1
03/19/1996
RPI 1320
Republicação - classificação IPC
#15.11
10/24/1995
RPI 1299
Deferimento
#9.1
10/10/1995
RPI 1297
Exigência - art. 36 da LPI
#6.1
04/04/1995
RPI 1270
Solicitação de exame técnico
#4.1
02/18/1992
RPI 1107
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