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Official data from INPI

DISPOSITIVO DE REFRIGERAÇÃO PARA FOLHAS TUBULARES DE PLÁSTICO EXTRUDADAS A PARTIR DE UM CABEÇOTE SOPRADOR DE FOLHAS.

ConcedidaInvention Patent

Application data

Number

PI8401474

Type

Invention Patent

Filing

03/30/1984

Publication

11/13/1984

Progress at the INPI

  1. Filing03/30/84
  2. Publication11/13/84
  3. Examination08/12/86
  4. Allowance06/14/88
  5. Grant02/28/89
  6. Terminated06/06/95

The patent was granted on 02/28/1989 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Windmöller & Hölscher

See this company's full portfolio

Inventors

H. U. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 11 932.5 · 03/31/1983

DE

P 33 33 397.1 · 09/15/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

11/13/1984

RPI 734

Pedido de patente depositado

#2.1

06/19/1984

RPI 713

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B29D 7/02.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

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