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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6101912

Type

Utility Model

Filing

05/28/1981

Publication

10/27/1981

Progress at the INPI

  1. Filing05/28/81
  2. Publication10/27/81
  3. Examination03/16/82
  4. Allowance04/09/85
  5. Grant10/01/85
  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: 10/01/1985. 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

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

15.20

06/11/1985

RPI 764

Republicação - classificação IPC

#15.11

04/30/1985

RPI 758

Deferimento

#9.1

04/09/1985

RPI 755

15.10

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

05/15/1984

RPI 708

Solicitação de exame técnico

#4.1

03/16/1982

RPI 595

Publicação antecipada

#3.2

10/27/1981

RPI 575

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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