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#18.2
11/17/1987
RPI 891
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Official data from INPI
APARELHO ELETRICO E PROCESSO PARA PREPARACAO DO MESMO
Em AnáliseInvention Patent
Progress at the INPI
- Filing09/15/75
- Publication
- Examination
- Allowance
- Grant
- Terminated11/17/87
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: 11/17/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
MC GRAW EDISON CO
Inventors
L. J. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Related
From the same holder
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