20.4
03/24/1987
RPI 857
Progress at the INPI
- Filing04/02/77
- Publication
- Examination
- Allowance01/26/82
- Grant
- Terminated01/28/92
The patent was granted 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: 03/24/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
WESTFAELISCHE METALL INDUSTRIE
Inventors
No inventors listed.
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
06/01/1982
RPI 606
Deferimento
#9.1
01/26/1982
RPI 588
Anuidade - prazo legal encerrado
#18.2
01/28/1992
RPI 1104
Related
From the same holder
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