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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6201815

Type

Utility Model

Filing

06/08/1982

Publication

01/17/1984

Progress at the INPI

  1. Filing06/08/82
  2. Publication01/17/84
  3. Examination05/08/84
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Expired11/15/94

The letters patent expired on 11/15/1994: 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: 07/26/1988. 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

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

15.10

10/06/1987

RPI 885

Exigência - art. 36 da LPI

#6.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

03/04/1986

RPI 802

Conhecimento de parecer técnico

#7.1

02/26/1985

RPI 749

Pedido de certificado de adição de invenção

#5.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

05/08/1984

RPI 707

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

07/27/1982

RPI 614

Carta-patente expirada

#21.1

11/15/1994

RPI 1250

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