Anuidade - prazo legal encerrado
#18.2
12/15/1987
RPI 895
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Official data from INPI
CORPO ELETRICO TUBULAR DE AQUECIMENTO
Em AnáliseInvention Patent
Progress at the INPI
- Filing08/02/77
- Publication
- Examination
- Allowance
- Grant05/31/83
- Terminated12/15/87
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: 12/15/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
H. R. (pessoa física)
Inventors
H. R. (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
14.1
01/11/1983
RPI 638
Notificação para pagamento de retribuição
#13.1
08/24/1982
RPI 618
110
05/25/1982
RPI 605
Recurso
#12.1
10/06/1981
RPI 572
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