Concessão da patente
#16.1
10/25/1983
RPI 679
Back to search
Official data from INPI
VIDROS OTICOS DE ALTA REFRACAO E BAIXA DENSIDADE PARA LENTS DE OCULOS BIFOCAIS
ConcedidaInvention Patent
Progress at the INPI
- Filing06/07/78
- Publication
- Examination
- Allowance03/01/83
- Grant10/25/83
- Expired04/04/95
The letters patent expired on 04/04/1995: 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: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
JENAER GLASWERK SCHOTT & GEN
Inventors
F. M. (pessoa física)
G. V. (pessoa física)
G. G. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
06/21/1983
RPI 661
Deferimento
#9.1
03/01/1983
RPI 645
Exigência - art. 36 da LPI
#6.1
08/24/1982
RPI 618
Exigência - art. 36 da LPI
#6.1
05/04/1982
RPI 602
Carta-patente expirada
#21.1
04/04/1995
RPI 1270
Related
From the same holder
Same category
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.