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Official data from INPI

PERSIANA DE LAMELAS

Em AnáliseInvention Patent

Application data

Number

PI7606413

Type

Invention Patent

Filing

12/03/1975

Publication

-

Progress at the INPI

  1. Filing12/03/75
  2. Publication
  3. Examination
  4. Allowance03/09/82
  5. Grant10/26/82
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. K. (pessoa física)

Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

04/24/1984

RPI 705

Pedido de licença voluntária

#17.1

12/20/1983

RPI 687

Concessão da patente

#16.1

10/26/1982

RPI 627

Notificação para pagamento de retribuição

#13.1

06/29/1982

RPI 610

Deferimento

#9.1

03/09/1982

RPI 594

8.1

01/12/1982

RPI 586

15.0

10/06/1981

RPI 572

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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