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Official data from INPI

Bomba para esgoto.

ConcedidaInvention Patent

Application data

Number

PI7702442

Type

Invention Patent

Filing

03/24/1977

Publication

-

Progress at the INPI

  1. Filing03/24/77
  2. Publication
  3. Examination
  4. Allowance12/20/83
  5. Grant08/07/84
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 08/07/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. B. (pessoa física)

Inventors

B. A. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

261291002 · 03/26/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/07/1984

RPI 720

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

11.8

11/01/1983

RPI 680

Arquivamento - Art. 36 §1° da LPI

#11.2

06/28/1983

RPI 662

8.1

12/14/1982

RPI 634

Exigência - art. 36 da LPI

#6.1

11/03/1981

RPI 576

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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