Concessão da patente
#16.1
03/17/1987
RPI 856
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Official data from INPI
PROCESSO PARA FABRICAÇÃO DE UM CORPO CONFORMADO DE MATERIAL SINTÉTICO TERMOPLÁSTICO, EM FORMA DE PÓ ATÉ GRANULADO.
ConcedidaInvention Patent
Application data
Number
PI8100185Type
Invention Patent
Filing
01/14/1981
Publication
09/14/1982
Progress at the INPI
- Filing01/14/81
- Publication09/14/82
- Examination06/26/84
- Allowance07/08/86
- Grant03/17/87
- 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Southwire Company.
US
Inventors
B. E. (pessoa física)
Technical data
IPC Classification
Priority claims
DE
P 30 02910.8 · 01/28/1980
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
11/04/1986
RPI 837
Deferimento
#9.1
07/08/1986
RPI 820
Exigência - art. 36 da LPI
#6.1
01/02/1985
RPI 741
Solicitação de exame técnico
#4.1
06/26/1984
RPI 714
Publicação do pedido de patente
#3.1
09/14/1982
RPI 621
Carta-patente expirada
#21.1
03/19/1996
RPI 1320
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