Carta-patente expirada
#21.1
Patente extinta em 15/10/2011
06/11/2013
RPI 2214
Back to search
Official data from INPI
COMPOSIÇÃO DE BORRACHA VULCANIZÁVEL APRESENTANDO RESISTÊNCIA DO VULCANIZADO AO OZÔNIO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9104463Type
Invention Patent
Filing
10/15/1991
Publication
06/09/1992
Progress at the INPI
- Filing10/15/91
- Publication06/09/92
- Examination07/19/94
- Allowance09/08/99
- Grant03/08/00
- Expired06/11/13
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
L. W. (pessoa física)
US
P. S. (pessoa física)
US
T. S. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
03/08/2000
RPI 1522
Deferimento
#9.1
09/08/1999
RPI 1496
Exigência - art. 36 da LPI
#6.1
06/23/1998
RPI 1435
Solicitação de exame técnico
#4.1
07/19/1994
RPI 1233
Publicação do pedido de patente
#3.1
06/09/1992
RPI 1123
Pedido de patente depositado
#2.1
11/19/1991
RPI 1094
Related
From the same holder
Same category
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.