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Official data from INPI

Silo para material granular de escoamento livre.

ConcedidaInvention Patent

Application data

Number

PI8205708

Type

Invention Patent

Filing

09/29/1982

Publication

08/30/1983

Progress at the INPI

  1. Filing09/29/82
  2. Publication08/30/83
  3. Examination10/22/85
  4. Allowance07/14/87
  5. Grant01/26/88
  6. Terminated06/26/90

The patent was granted on 01/26/1988 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: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

Inventors

B. C. (pessoa física)

B. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

307.089 · 09/30/1981

US

357.589 · 03/12/1982

US

357.592 · 03/12/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/26/1988

RPI 901

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

09/23/1986

RPI 831

Solicitação de exame técnico

#4.1

10/22/1985

RPI 783

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

11/23/1982

RPI 631

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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