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

MEDIDOR DIGITAL DE NÍVEL SONORO PONDERADO SEGUNDO A CURVA A

Prazo de SigiloUtility Model

Application data

Number

MU6900511

Type

Utility Model

Filing

03/30/1989

Publication

02/13/1991

Progress at the INPI

  1. Filing03/30/89
  2. Publication02/13/91
  3. Abandoned04/13/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT

SP, BR

See this company's full portfolio

Inventors

A. F. (pessoa física)

A. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Arquivamento - Art. 36 §1° da LPI

#11.2

07/19/1994

RPI 1233

Exigência - art. 36 da LPI

#6.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

04/13/1993

RPI 1167

Publicação do pedido de patente

#3.1

02/13/1991

RPI 1054

Related

Same category

Patent monitoring

Track this patent in real time.

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