Carta-patente expirada
#21.1
Patente extinta em 01/11/2004
12/29/2009
RPI 2034
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Official data from INPI
BROCA HELICOIDAL COM PERFIL FRONTAL APERFEIÇOADO
Arquivada/ExtintaInvention Patent
Application data
Number
PI8905689Type
Invention Patent
Filing
11/01/1989
Publication
05/07/1991
Progress at the INPI
- Filing11/01/89
- Publication05/07/91
- Examination08/06/91
- Allowance11/23/93
- Grant10/25/94
- Expired12/29/09
The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SKF Ferramentas S/A
SP, BR
Inventors
M. C. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Alteração de nome deferida
#25.4
Alterado de SKF & Dormer Tools S/A
11/28/2000
RPI 1560
Alteração de nome deferida
#25.4
Alterado de: SKF Ferramentas S.A.
10/24/2000
RPI 1555
Concessão da patente
#16.1
10/25/1994
RPI 1247
Notificação para pagamento de retribuição
#13.1
04/12/1994
RPI 1219
Deferimento
#9.1
11/23/1993
RPI 1199
Solicitação de exame técnico
#4.1
08/06/1991
RPI 1079
Publicação do pedido de patente
#3.1
05/07/1991
RPI 1066
Pedido de patente depositado
#2.1
03/20/1990
RPI 1010
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