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Official data from INPI

UNIDADE PARA A BLINDAGEM ARTIFICIAL DE QUEBRA-MARES

Em AnáliseInvention Patent

Application data

Number

PI7708754

Type

Invention Patent

Filing

12/30/1976

Publication

-

Progress at the INPI

  1. Filing12/30/76
  2. Publication
  3. Examination
  4. Allowance06/22/82
  5. Grant01/25/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNISEARCH LTD

Inventors

B. C. (pessoa física)

F. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

22.9

03/29/1983

RPI 649

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

Deferimento

#9.1

06/22/1982

RPI 609

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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