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Official data from INPI

SEM TITULO

Em AnáliseUtility Model

Application data

Number

MU5901836

Type

Utility Model

Filing

09/04/1979

Publication

-

Progress at the INPI

  1. Filing09/04/79
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/25/85
  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: 09/02/1986. 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).

Pedido de licença compulsória

#20.1

09/02/1986

RPI 828

20.3

05/27/1986

RPI 814

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

15.10

07/24/1984

RPI 718

8.1

07/03/1984

RPI 715

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Conhecimento de parecer técnico

#7.1

10/25/1983

RPI 679

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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