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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU6001828

Type

Utility Model

Filing

02/11/1980

Publication

-

Progress at the INPI

  1. Filing02/11/80
  2. Publication
  3. Examination12/08/81
  4. Allowance07/09/85
  5. Grant02/04/86
  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: 10/06/1987. 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

10/06/1987

RPI 885

Concessão da patente

#16.1

02/04/1986

RPI 798

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

04/09/1985

RPI 755

Conhecimento de parecer técnico

#7.1

07/12/1983

RPI 664

Pedido de certificado de adição de invenção

#5.1

05/18/1982

RPI 604

Solicitação de exame técnico

#4.1

12/08/1981

RPI 581

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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