Anuidade - prazo legal encerrado
#18.2
07/12/1988
RPI 925
Back to search
Official data from INPI
SISTEMA DE DETECCAO DE ESTADO DE LINHA DE INTERCOMUNICACAO
Em AnáliseInvention Patent
Progress at the INPI
- Filing10/06/77
- Publication
- Examination
- Allowance10/19/82
- Grant05/31/83
- Terminated07/12/88
The patent was granted on 05/31/1983 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: 07/12/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
IWATSU ELECTRIC CO LTD
Inventors
S. A. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
05/31/1983
RPI 658
Notificação para pagamento de retribuição
#13.1
02/16/1983
RPI 643
Deferimento
#9.1
10/19/1982
RPI 626
15.0
06/01/1982
RPI 606
8.1
06/01/1982
RPI 606
Exigência - art. 36 da LPI
#6.1
11/24/1981
RPI 579
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.