Anuidade - prazo legal encerrado
#18.2
05/14/1985
RPI 760
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Official data from INPI
REVESTIMENTO REFRATARIO AO FOGO DE CALDEIRAS TORPEDO OU CALDEIRAS DE TUBO PARA O TRANSPORTE DE FERRO LIQUIDO E SUAS APLICACOES
Em AnáliseInvention Patent
Progress at the INPI
- Filing04/11/75
- Publication
- Examination
- Allowance
- Grant07/27/82
- Terminated05/14/85
The patent was granted on 07/27/1982 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: 05/14/1985. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
THYSSEN HUETTE AG
Inventors
B. K. (pessoa física)
S. H. (pessoa física)
S. J. (pessoa física)
S. J. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Cessão de direito de exploração
#22.1
11/06/1984
RPI 733
Concessão da patente
#16.1
07/27/1982
RPI 614
Notificação para pagamento de retribuição
#13.1
12/08/1981
RPI 581
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