Deferimento
#9.1
08/08/1989
RPI 981
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Official data from INPI
SISTEMA DE COMUTAÇÃO TDMA QUE UTILIZA PROTOCOLO PADRÃO X.21
DeferidaInvention Patent
Application data
Number
PI8402764Type
Invention Patent
Filing
06/07/1984
Publication
05/14/1985
Progress at the INPI
- Filing06/07/84
- Publication05/14/85
- Examination04/14/87
- Allowance08/08/89
- Grant02/06/90
- Terminated06/13/95
The patent was granted on 02/06/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
I. C. (pessoa física)
US
Inventors
J. B. (pessoa física)
US
N. B. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Exigência - art. 36 da LPI
#6.1
12/13/1988
RPI 947
Exigência - art. 36 da LPI
#6.1
05/17/1988
RPI 917
Solicitação de exame técnico
#4.1
04/14/1987
RPI 860
Publicação do pedido de patente
#3.1
05/14/1985
RPI 760
Pedido de patente depositado
#2.1
08/14/1984
RPI 721
Anuidade - prazo legal encerrado
#18.2
06/13/1995
RPI 1280
Concessão da patente
#16.1
02/06/1990
RPI 1005
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