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Official data from INPI

COMUTADOR EQUIVALENTE E PROCESSO DE MINIMIZAR A INTERRUPÇÃO DE SERVIÇO DE COMUTAÇÃO

ArquivadaInvention Patent

Application data

Number

PI8905566

Type

Invention Patent

Filing

10/31/1989

Publication

05/29/1990

Progress at the INPI

  1. Filing10/31/89
  2. Publication05/29/90
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 10/31/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/15/1992. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

Inventors

D. W. (pessoa física)

D. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

265,584 · 11/01/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/15/1992

RPI 1150

Publicação do pedido de patente

#3.1

05/29/1990

RPI 1020

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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