Concessão da patente
#16.1
02/04/1986
RPI 798
Progress at the INPI
- Filing01/14/81
- Publication
- Examination03/02/82
- Allowance05/28/85
- Grant02/04/86
- Expired03/19/96
The letters patent expired on 03/19/1996: 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: 02/04/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Jenaer Glaswerk Schott & Gen.
DE
Inventors
K. W. (pessoa física)
S. K. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
09/17/1985
RPI 778
Deferimento
#9.1
05/28/1985
RPI 762
Republicação - classificação IPC
#15.11
12/11/1984
RPI 738
Exigência - art. 36 da LPI
#6.1
08/07/1984
RPI 720
Solicitação de exame técnico
#4.1
03/02/1982
RPI 593
Carta-patente expirada
#21.1
03/19/1996
RPI 1320
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