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Official data from INPI

Conjunto roldana côncava e trilho convexo para esquadria

ConcedidaUtility Model

Application data

Number

MU6301800

Type

Utility Model

Filing

11/28/1983

Publication

02/28/1984

Progress at the INPI

  1. Filing11/28/83
  2. Publication02/28/84
  3. Examination05/22/84
  4. Allowance04/22/87
  5. Grant11/24/87
  6. Expired08/15/95

The letters patent expired on 08/15/1995: 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fermax Indústria de Componentes para Esquadrias Ltda.

PR, BR

See this company's full portfolio

Inventors

K. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

08/11/1987

RPI 877

100

04/22/1987

RPI 861

120

10/21/1986

RPI 835

Petição de recurso

#12.2

05/27/1986

RPI 814

Indeferimento

#9.2

02/04/1986

RPI 798

Pedido de certificado de adição de invenção

#5.1

10/16/1984

RPI 730

Solicitação de exame técnico

#4.1

05/22/1984

RPI 709

Publicação antecipada

#3.2

02/28/1984

RPI 697

Pedido de patente depositado

#2.1

02/07/1984

RPI 694

Carta-patente expirada

#21.1

08/15/1995

RPI 1289

20.4

05/21/1991

RPI 1068

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