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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6001841

Type

Utility Model

Filing

03/28/1980

Publication

10/06/1981

Progress at the INPI

  1. Filing03/28/80
  2. Publication10/06/81
  3. Examination11/29/83
  4. Allowance09/23/86
  5. Grant06/02/87
  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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

01/06/1987

RPI 846

100

09/23/1986

RPI 831

15.10

05/13/1986

RPI 812

Petição de recurso

#12.2

02/20/1985

RPI 748

14.1

01/22/1985

RPI 744

8.1

12/11/1984

RPI 738

Republicação - classificação IPC

#15.11

12/04/1984

RPI 737

Indeferimento

#9.2

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

11/29/1983

RPI 684

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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