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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6101929

Type

Utility Model

Filing

10/16/1981

Publication

05/03/1983

Progress at the INPI

  1. Filing10/16/81
  2. Publication05/03/83
  3. Examination10/04/83
  4. Allowance08/20/85
  5. Grant04/29/86
  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: 04/29/1986. 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

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

15.10

06/25/1985

RPI 766

Conhecimento de parecer técnico

#7.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

10/04/1983

RPI 676

Publicação do pedido de patente

#3.1

05/03/1983

RPI 654

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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