20.7
10/08/1985
RPI 781
Progress at the INPI
- Filing08/31/79
- Publication
- Examination
- Allowance06/01/82
- Grant
- Expired04/25/95
The letters patent expired on 04/25/1995: 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: 10/08/1985. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
ZELOSO IND COM LTD
Inventors
No inventors listed.
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
09/21/1982
RPI 622
Deferimento
#9.1
06/01/1982
RPI 606
Carta-patente expirada
#21.1
04/25/1995
RPI 1273
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