Anuidade - prazo legal encerrado
#18.2
06/14/1988
RPI 921
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Official data from INPI
PROCESSO DE AUTO-REGENERACAO PARA REMOVER IMPUREZAS DE AGUA E OXIGENIO,EM TANQUES DE ARMAZENAGEM DE HIDROGENIO E SISTEMA DE ARMAZENAGEM DE HIDROGENIO
Em AnáliseInvention Patent
Progress at the INPI
- Filing12/19/77
- Publication
- Examination
- Allowance09/20/83
- Grant03/27/84
- Terminated06/14/88
The patent was granted on 03/27/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
BILLINGS ENERGY CORP
Inventors
S. H. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
03/27/1984
RPI 701
Notificação para pagamento de retribuição
#13.1
01/03/1984
RPI 689
Deferimento
#9.1
09/20/1983
RPI 674
Exigência - art. 36 da LPI
#6.1
10/13/1982
RPI 625
6.2
03/16/1982
RPI 595
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