(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

APERFEIÇOAMENTO EM TELEFONE DE ASSINANTE

IndeferidaInvention Patent

Application data

Number

PI8008219

Type

Invention Patent

Filing

12/12/1980

Publication

08/03/1982

Progress at the INPI

Under appeal
  1. Filing12/12/80
  2. Publication08/03/82
  3. Examination07/24/84
  4. Refused08/25/87
  5. Grant
  6. In force

The application was refused by the INPI on 08/25/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Daruma Telecomunicações S/A

SP, BR

Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/25/1987

RPI 879

Conhecimento de parecer técnico

#7.1

08/26/1986

RPI 827

14.4

02/18/1986

RPI 800

Pedido de certificado de adição de invenção

#5.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.