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Official data from INPI

SEM TITULO

Arquivada/ExtintaUtility Model

Application data

Number

MU5701693

Type

Utility Model

Filing

06/10/1977

Publication

-

Progress at the INPI

  1. Filing06/10/77
  2. Publication
  3. Examination
  4. Allowance08/16/83
  5. Grant02/28/84
  6. Expired08/16/88

The letters patent expired on 08/16/1988: 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: 08/16/1988. 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

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

201

04/16/1985

RPI 756

Pedido de licença voluntária

#17.1

11/13/1984

RPI 734

Pedido de licença compulsória

#20.1

08/07/1984

RPI 720

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

10/25/1983

RPI 679

100

08/16/1983

RPI 669

15.10

08/02/1983

RPI 667

120

03/01/1983

RPI 645

Petição de recurso

#12.2

03/02/1982

RPI 593

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