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Official data from INPI

ESPALHADOR DE LIQUIDOS

Em AnáliseUtility Model

Application data

Number

MU6300647

Type

Utility Model

Filing

05/19/1983

Publication

02/21/1984

Progress at the INPI

  1. Filing05/19/83
  2. Publication02/21/84
  3. Examination05/29/84
  4. Allowance07/02/85
  5. Grant02/04/86
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 11/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PENTEC PENEIRAS IND LTDA [BR]

Inventors

B. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/04/1986

RPI 837

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Deferimento

#9.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação antecipada

#3.2

02/21/1984

RPI 696

Pedido de patente depositado

#2.1

07/05/1983

RPI 663

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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