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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6101937

Type

Utility Model

Filing

07/31/1981

Publication

10/27/1981

Progress at the INPI

  1. Filing07/31/81
  2. Publication10/27/81
  3. Examination03/09/82
  4. Allowance04/22/86
  5. Grant10/29/86
  6. Expired07/26/94

The letters patent expired on 07/26/1994: 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: 10/29/1986. 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

10/29/1986

RPI 836

Notificação para pagamento de retribuição

#13.1

07/08/1986

RPI 820

100

04/22/1986

RPI 809

15.10

02/18/1986

RPI 800

Petição de recurso

#12.2

02/20/1985

RPI 748

Indeferimento

#9.2

11/06/1984

RPI 733

Conhecimento de parecer técnico

#7.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Publicação antecipada

#3.2

10/27/1981

RPI 575

Carta-patente expirada

#21.1

07/26/1994

RPI 1234

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