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Official data from INPI

CILINDRO DE SEGURANCA INTERCAMBIAVEL

Arquivada/ExtintaUtility Model

Application data

Number

MU5801215

Type

Utility Model

Filing

09/08/1978

Publication

-

Progress at the INPI

  1. Filing09/08/78
  2. Publication
  3. Examination
  4. Allowance12/01/81
  5. Grant08/31/82
  6. Expired11/08/88

The letters patent expired on 11/08/1988: 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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. S. (pessoa física)

Inventors

V. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

11/08/1988

RPI 942

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

04/13/1982

RPI 599

15.0

02/02/1982

RPI 589

15

12/15/1981

RPI 582

Deferimento

#9.1

12/01/1981

RPI 580

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