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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6101921

Type

Utility Model

Filing

04/10/1981

Publication

-

Progress at the INPI

  1. Filing04/10/81
  2. Publication
  3. Examination01/12/82
  4. Allowance10/22/85
  5. Grant06/24/86
  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: 06/24/1986. 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

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

10/22/1985

RPI 783

15.20

06/11/1985

RPI 764

8.1

05/28/1985

RPI 762

15.10

04/23/1985

RPI 757

Exigência - art. 36 da LPI

#6.1

10/23/1984

RPI 731

14.1

05/02/1984

RPI 706

Conhecimento de parecer técnico

#7.1

11/22/1983

RPI 683

Solicitação de exame técnico

#4.1

01/12/1982

RPI 586

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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