MECANISMO DE ACIONAMENTO COM EVOLTÓRIO TUBULAR.

1. Filing05/15/84
2. Publication12/26/84
3. Examination08/19/86
4. Allowance12/29/87
5. Grant07/26/88
6. In force05/15/04

The patent was granted on 07/26/1988 and is in force until 05/15/2004. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:05/15/2004

Latest action published by the INPI: 08/02/1988. We update with every new RPI gazette, published weekly.