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Official data from INPI

APERFEICOAMENTOS EM VALVULA DE ADMISSAO DO LIQUIDO EM BOMBAS VIBRATORIAS

ConcedidaInvention Patent

Application data

Number

PI7807106

Type

Invention Patent

Filing

10/27/1978

Publication

-

Progress at the INPI

  1. Filing10/27/78
  2. Publication
  3. Examination
  4. Allowance12/22/81
  5. Grant05/31/83
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 05/31/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ANAUGER MOTORES IND LTD

Inventors

P. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

03/15/1983

RPI 647

110

11/03/1982

RPI 628

Recurso

#12.1

04/27/1982

RPI 601

Deferimento

#9.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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