Anuidade - prazo legal encerrado
#18.2
04/01/1986
RPI 806
Back to search
Official data from INPI
PROCESSO PARA A PROTECAO DE FERRO E ACO CONTRA A CORROSAO
Em AnáliseInvention Patent
Progress at the INPI
- Filing04/25/77
- Publication
- Examination
- Allowance09/08/82
- Grant04/26/83
- Terminated04/01/86
The patent was granted on 04/26/1983 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: 04/01/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
MANNESMANN ROEHREN WERKE AG
METALLGESELLSCHAFT AG
Inventors
M. H. (pessoa física)
N. K. (pessoa física)
S. G. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Cessão de direito de exploração
#22.1
04/02/1985
RPI 754
22.9
06/28/1983
RPI 662
Concessão da patente
#16.1
04/26/1983
RPI 653
Notificação para pagamento de retribuição
#13.1
01/11/1983
RPI 638
Deferimento
#9.1
09/08/1982
RPI 620
Exigência - art. 36 da LPI
#6.1
01/05/1982
RPI 585
Related
Same category
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.