Concessão da patente
#16.1
11/25/1986
RPI 840
Back to search
Application data
Number
PI8304036Type
Invention Patent
Filing
07/28/1983
Publication
06/12/1984
Progress at the INPI
- Filing07/28/83
- Publication06/12/84
- Examination12/04/84
- Allowance04/22/86
- Grant11/25/86
- Expired07/01/08
The letters patent expired on 07/01/2008: 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: 11/25/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Hermann Berstorff Maschinenbau Gmbh
DE
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
08/26/1986
RPI 827
Deferimento
#9.1
04/22/1986
RPI 809
Republicação - classificação IPC
#15.11
09/03/1985
RPI 776
Exigência - art. 36 da LPI
#6.1
06/11/1985
RPI 764
Solicitação de exame técnico
#4.1
12/04/1984
RPI 737
Publicação do pedido de patente
#3.1
06/12/1984
RPI 712
Pedido de patente depositado
#2.1
10/04/1983
RPI 676
Carta-patente expirada
#21.1
Patente extinta em 28/07/98
07/01/2008
RPI 1956
Related
From the same holder
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.