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Official data from INPI

APERFEIÇOAMENTO EM DISPOSITIVO HIDRÁULICO PARA ELEVAÇÃO.

ConcedidaUtility Model

Application data

Number

MU6301536

Type

Utility Model

Filing

10/17/1983

Publication

03/27/1984

Progress at the INPI

  1. Filing10/17/83
  2. Publication03/27/84
  3. Examination05/29/84
  4. Allowance03/04/86
  5. Grant06/02/87
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Funk Indústria e Comércio de Equipamentos de Raio x Ltda

SP, BR

See this company's full portfolio

Inventors

S. C. (pessoa física)

T. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

110

01/21/1987

RPI 848

Recurso

#12.1

07/15/1986

RPI 821

Deferimento

#9.1

03/04/1986

RPI 802

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Pedido de certificado de adição de invenção

#5.1

10/30/1984

RPI 732

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação antecipada

#3.2

03/27/1984

RPI 701

Pedido de patente depositado

#2.1

01/10/1984

RPI 690

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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