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Official data from INPI

DISPOSITIVO INDICADOR DE NÍVEL DE LÍQUIDO EM UM RESERVATÓRIO

PublicadaUtility Model

Application data

Number

MU6700597

Type

Utility Model

Filing

03/13/1987

Publication

02/17/1988

Progress at the INPI

  1. Filing03/13/87
  2. Publication02/17/88
  3. Examination05/22/90
  4. Allowance06/14/94
  5. Grant04/25/95
  6. Expired09/18/01

The letters patent expired on 09/18/2001: 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: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Veglia Borletti s.r.l

IT

See this company's full portfolio

Inventors

R. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

53.132-B/86 · 03/14/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/17/1988

RPI 904

Pedido de patente depositado

#2.1

07/14/1987

RPI 873

Carta-patente expirada

#21.1

Patente extinta em 13/03/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

10/18/1994

RPI 1246

Deferimento

#9.1

06/14/1994

RPI 1228

102

10/05/1993

RPI 1192

Pedido de recurso

#12.3

02/04/1992

RPI 1105

11.3

07/23/1991

RPI 1077

Exigência - art. 36 da LPI

#6.1

01/08/1991

RPI 1049

Solicitação de exame técnico

#4.1

05/22/1990

RPI 1019

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