Carta-patente expirada
#21.1
PATENTE EXTINTA EM 27.12.2021
01/11/2022
RPI 2662
The letters patent expired on 01/11/2022: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 01/11/2022. We update with every new RPI gazette, published weekly.
Applicants
TLV Company, Limited
JP
Inventors
H. E. (pessoa física)
JP
J. N. (pessoa física)
US
IPC Classification
Priority claims
JP
HEI-9-207321 · 07/15/1997
JP
HEI-9-207322 · 07/15/1997
JP
HEI- 9-207323 · 07/15/1997
JP
HEI-9-212581 · 07/22/1997
JP
HEI-9-212582 · 07/22/1997
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