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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU6001811

Type

Utility Model

Filing

01/14/1980

Publication

-

Progress at the INPI

  1. Filing01/14/80
  2. Publication
  3. Examination02/16/82
  4. Allowance11/13/84
  5. Grant07/30/85
  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: 03/25/1986. 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).

20.7

03/25/1986

RPI 805

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

15.10

02/05/1985

RPI 746

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

Conhecimento de parecer técnico

#7.1

09/06/1983

RPI 672

Pedido de certificado de adição de invenção

#5.1

08/03/1982

RPI 615

Solicitação de exame técnico

#4.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

20.5

10/16/1990

RPI 1037

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