SISTEMA DE COMUTAÇÃO DE ESTRUTURA MODULAR.

1. Filing09/29/81
2. Publication05/31/83
3. Examination08/27/85
4. Allowance12/08/87
5. Grant08/30/88
6. In force09/29/01

The patent was granted on 08/30/1988 and is in force until 09/29/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:09/29/2001

Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.