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Official data from INPI

APERFEICOAMENTO EM DECALQUE PARA APLICACAO A QUENTE

ConcedidaInvention Patent

Application data

Number

PI7803387

Type

Invention Patent

Filing

06/15/1977

Publication

-

Progress at the INPI

  1. Filing06/15/77
  2. Publication
  3. Examination
  4. Allowance10/23/84
  5. Grant04/30/85
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

POLYMARK INT LTD

Inventors

B. W. (pessoa física)

D. I. (pessoa física)

S. H. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

6.2

01/12/1982

RPI 586

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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