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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6101913

Type

Utility Model

Filing

03/23/1981

Publication

11/03/1982

Progress at the INPI

  1. Filing03/23/81
  2. Publication11/03/82
  3. Examination04/26/83
  4. Allowance07/09/85
  5. Grant04/29/86
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 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

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

15.20

06/11/1985

RPI 764

15.10

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Conhecimento de parecer técnico

#7.1

02/07/1984

RPI 694

Solicitação de exame técnico

#4.1

04/26/1983

RPI 653

Publicação do pedido de patente

#3.1

11/03/1982

RPI 628

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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