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Official data from INPI

VÁLVULA HIDRÁULICA.

ConcedidaInvention Patent

Application data

Number

PI8207440

Type

Invention Patent

Filing

12/22/1982

Publication

04/17/1984

Progress at the INPI

  1. Filing12/22/82
  2. Publication04/17/84
  3. Examination07/31/84
  4. Allowance04/22/86
  5. Grant03/29/88
  6. Terminated06/26/90

The patent was granted on 03/29/1988 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Commercial Shearig, Inc.,

US

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Inventors

P. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

388.723 · 06/15/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

110

11/03/1987

RPI 889

Republicação - classificação IPC

#15.11

06/09/1987

RPI 868

Recurso

#12.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

07/31/1984

RPI 719

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

02/16/1983

RPI 643

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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