Concessão da patente
#16.1
07/26/1988
RPI 927
Back to search
Official data from INPI
laminados compostos e processo para sua produção.
ConcedidaInvention Patent
Application data
Number
PI8303861Type
Invention Patent
Filing
07/19/1983
Publication
02/28/1984
Progress at the INPI
- Filing07/19/83
- Publication02/28/84
- Examination06/04/85
- Allowance12/29/87
- Grant07/26/88
- 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Alkor Gmbh, Kunststoffe
DE
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Priority claims
DE
P 32 27 107.7 · 07/20/1982
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
05/10/1988
RPI 916
Deferimento
#9.1
12/29/1987
RPI 897
Exigência - art. 36 da LPI
#6.1
03/11/1986
RPI 803
Solicitação de exame técnico
#4.1
06/04/1985
RPI 763
Publicação do pedido de patente
#3.1
02/28/1984
RPI 697
Pedido de patente depositado
#2.1
09/27/1983
RPI 675
Carta-patente expirada
#21.1
Patente extinta em 19/07/98
07/01/2008
RPI 1956
Related
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.