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

Unidade informativa sonora.

Em AnáliseInvention Patent

Application data

Number

PI8305782

Type

Invention Patent

Filing

10/17/1983

Publication

05/21/1985

Progress at the INPI

  1. Filing10/17/83
  2. Publication05/21/85
  3. Examination09/10/85
  4. Refused07/12/88
  5. Grant
  6. In force

The application was refused on 07/12/1988 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Digilab - Laboratório Digital S/A

SP, BR

Inventors

F. C. (pessoa física)

G. O. (pessoa física)

N. S. (pessoa física)

V. N. (pessoa física)

Pessoa física

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

07/12/1988

RPI 925

Petição de recurso

#12.2

01/19/1988

RPI 900

Indeferimento

#9.2

08/25/1987

RPI 879

Conhecimento de parecer técnico

#7.1

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

09/10/1985

RPI 777

Publicação do pedido de patente

#3.1

05/21/1985

RPI 761

Pedido de patente depositado

#2.1

12/27/1983

RPI 688

Patent monitoring

Track this patent in real time.

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