Conhecimento de parecer técnico
#7.1
08/16/1988
RPI 930
Back to search
Official data from INPI
COMPOSIÇÃO ESTABILIZADORA DO SOLO E PROCESSO PARA A ESTABILIZAÇÃO DO SOLO
Em AnáliseInvention Patent
Application data
Number
PI8307461Type
Invention Patent
Filing
07/25/1983
Publication
07/17/1984
Progress at the INPI
- Filing07/25/83
- Publication07/17/84
- Examination04/23/85
- Allowance11/27/90
- Grant08/27/91
- Terminated05/30/95
The patent was granted on 08/27/1991 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: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Miseal, Inc.
US
Inventors
W. M. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
404.336 · 07/30/1982
US
512.761 · 07/13/1983
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
04/23/1985
RPI 757
Notificação de entrada na fase nacional - PCT
#1.3
07/17/1984
RPI 717
Anuidade - prazo legal encerrado
#18.2
05/30/1995
RPI 1278
Concessão da patente
#16.1
08/27/1991
RPI 1082
Notificação para pagamento de retribuição
#13.1
03/12/1991
RPI 1058
Deferimento
#9.1
11/27/1990
RPI 1043
Exigência - art. 36 da LPI
#6.1
06/05/1990
RPI 1021
Related
Same category
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.