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Official data from INPI

MODELO DE ASPIRADOR DE PO,DE USO INDUSTRIAL

Arquivada/ExtintaUtility Model
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Application data

Number

MU5800211

Type

Utility Model

Filing

02/22/1978

Publication

-
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Progress at the INPI

  1. Filing02/22/78
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant05/31/83
  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.

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Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. L. (pessoa física)

Inventors

C. L. (pessoa física)

Technical data

IPC Classification

A47L 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Pedido de licença compulsória

#20.1

06/16/1987

RPI 869

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

02/09/1982

RPI 590

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