Publicação do pedido de patente
#3.1
02/28/1989
RPI 958
Back to search
Official data from INPI
TUBO FUSÍVEL PARA RESFRIAMENTO DE ARCO VOLTÁICO
PublicadaInvention Patent
Application data
Number
PI8802468Type
Invention Patent
Filing
05/20/1988
Publication
02/28/1989
Progress at the INPI
- Filing05/20/88
- Publication02/28/89
- Examination09/25/90
- Allowance03/12/96
- Grant05/27/97
- Expired08/26/08
The letters patent expired on 08/26/2008: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
A. B. Chance Company
US
Inventors
W. R. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
10/11/1988
RPI 938
Carta-patente expirada
#21.1
Patente extinta em 20/05/2008
08/26/2008
RPI 1964
Concessão da patente
#16.1
05/27/1997
RPI 1382
Notificação para pagamento de retribuição
#13.1
10/01/1996
RPI 1348
Deferimento
#9.1
03/12/1996
RPI 1319
Exigência - art. 36 da LPI
#6.1
02/21/1995
RPI 1264
Solicitação de exame técnico
#4.1
09/25/1990
RPI 1034
Related
Same category
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.