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Official data from INPI

VISOR OTICO APERFEICOADO

Arquivada/ExtintaUtility Model

Application data

Number

MU5800834

Type

Utility Model

Filing

07/13/1977

Publication

-

Progress at the INPI

  1. Filing07/13/77
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant02/28/84
  6. Expired09/13/88

The letters patent expired on 09/13/1988: 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. I. (pessoa física)

Inventors

R. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

09/13/1988

RPI 934

201

06/11/1985

RPI 764

Pedido de licença voluntária

#17.1

11/27/1984

RPI 736

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

12/13/1983

RPI 686

110

10/04/1983

RPI 676

120

06/21/1983

RPI 661

Recurso

#12.1

12/14/1982

RPI 634

Recurso

#12.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

Exigência - art. 36 da LPI

#6.1

11/17/1981

RPI 578

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