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Official data from INPI

PROCESSO DE FABRICACAO DE PISTOES COM PORTA-ANEL

ConcedidaInvention Patent

Application data

Number

PI7803411

Type

Invention Patent

Filing

05/24/1978

Publication

-

Progress at the INPI

  1. Filing05/24/78
  2. Publication
  3. Examination
  4. Allowance04/16/85
  5. Grant12/31/85
  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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METAL LEVE SA IND COM

Inventors

B. H. (pessoa física)

G. A. (pessoa física)

N. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

09/11/1984

RPI 725

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Deferimento

#9.1

03/30/1982

RPI 597

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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