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Official data from INPI

APARELHO PURIFICADOR DE AR

ConcedidaInvention Patent

Application data

Number

PI8206547

Type

Invention Patent

Filing

11/11/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing11/11/82
  2. Publication09/27/83
  3. Examination12/31/85
  4. Allowance11/18/86
  5. Grant06/30/87
  6. Terminated10/16/90

The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deere & Company

US

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Inventors

R. P. (pessoa física)

Technical data

IPC Classification

Priority claims

EP

81109690.8 · 11/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/31/1987

RPI 858

Deferimento

#9.1

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

12/31/1985

RPI 793

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Pedido de patente depositado

#2.1

01/04/1983

RPI 637

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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