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

PROCESSO DE TRATAMENTO DE UM SINAL ANALÓGICO.

Concessão AnuladaInvention Patent

Application data

Number

PI7906853

Type

Invention Patent

Filing

10/23/1979

Publication

-

Progress at the INPI

  1. Filing10/23/79
  2. Publication
  3. Examination
  4. Allowance04/26/83
  5. Grant11/29/83
  6. Expired04/25/95

The letters patent expired on 04/25/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/14/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. B. (pessoa física)

Inventors

M. D. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

78 30 399 · 10/25/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

02/14/1984

RPI 695

Concessão da patente

#16.1

11/29/1983

RPI 684

Deferimento

#9.1

04/26/1983

RPI 653

Exigência - art. 36 da LPI

#6.1

09/28/1982

RPI 623

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

Patent monitoring

Track this patent in real time.

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