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Official data from INPI

APERFEICOAMENTOS EM TRILHOS PARA CORTINAS

Arquivada/ExtintaUtility Model
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Application data

Number

MU5800171

Type

Utility Model

Filing

02/13/1978

Publication

-
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Progress at the INPI

  1. Filing02/13/78
  2. Publication
  3. Examination
  4. Allowance06/14/83
  5. Grant12/27/83
  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

B. A. (pessoa física)

Inventors

B. A. (pessoa física)

Technical data

IPC Classification

A47H 1/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

10/04/1983

RPI 676

Deferimento

#9.1

06/14/1983

RPI 660

Exigência - art. 36 da LPI

#6.1

08/31/1982

RPI 619

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

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