16.3
12/04/1984
RPI 737
Progress at the INPI
- Filing09/03/80
- Publication
- Examination04/19/83
- Allowance02/28/84
- Grant08/28/84
- Expired11/07/95
The letters patent expired on 11/07/1995: 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: 12/04/1984. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
N.V. Philips Goeilampenfabrieken
NL
Inventors
K. W. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
08/28/1984
RPI 723
Notificação para pagamento de retribuição
#13.1
06/12/1984
RPI 712
Deferimento
#9.1
02/28/1984
RPI 697
Exigência - art. 36 da LPI
#6.1
09/27/1983
RPI 675
Solicitação de exame técnico
#4.1
04/19/1983
RPI 652
Carta-patente expirada
#21.1
11/07/1995
RPI 1301
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