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Official data from INPI

EMISSOR COMPENSADOR DE PRESSÃO EM LINHA DE IRRIGAÇÃO A GOTAS.

PublicadaInvention Patent

Application data

Number

PI8802529

Type

Invention Patent

Filing

05/24/1988

Publication

12/20/1988

Progress at the INPI

  1. Filing05/24/88
  2. Publication12/20/88
  3. Examination09/03/91
  4. Allowance04/13/93
  5. Grant11/30/93
  6. Terminated10/24/95

The patent was granted on 11/30/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. M. (pessoa física)

US

Inventors

D. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

054.468 · 05/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/20/1988

RPI 948

Pedido de patente depositado

#2.1

10/11/1988

RPI 938

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

11/30/1993

RPI 1200

Notificação para pagamento de retribuição

#13.1

08/03/1993

RPI 1183

Deferimento

#9.1

04/13/1993

RPI 1167

Solicitação de exame técnico

#4.1

09/03/1991

RPI 1083

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