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Official data from INPI

APERFEIÇOAMENTOS EM OU REFERENTES À VÁLVULAS DE DESCARGA DE SECADOR DE GRÃOS

ConcedidaInvention Patent
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Application data

Number

PI8301278

Type

Invention Patent

Filing

03/15/1983

Publication

10/23/1984
View on INPI

Progress at the INPI

  1. Filing03/15/83
  2. Publication10/23/84
  3. Examination03/31/87
  4. Allowance08/02/88
  5. Grant08/29/89
  6. Terminated02/18/92

The patent was granted on 08/29/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Risse-Comércio, Indústria e Representações Ltda.

RS, BR

Inventors

R. R. (pessoa física)

BR

Technical data

IPC Classification

B65G 53/46B65G 65/48F26B 25/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Retificação

#15.6

05/16/1989

RPI 969

15.4

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Retificação

#15.6

03/10/1987

RPI 855

15.4

12/09/1986

RPI 842

8.1

03/11/1986

RPI 803

Publicação do pedido de patente

#3.1

10/23/1984

RPI 731

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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