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Official data from INPI

JUNTA ROTATIVA PARA A ROTAÇÃO DE CILINDROS DE TROCA DE CALOR

Em AnáliseInvention Patent

Application data

Number

PI8707170

Type

Invention Patent

Filing

12/30/1987

Publication

08/23/1988

Progress at the INPI

  1. Filing12/30/87
  2. Publication08/23/88
  3. Examination10/11/88
  4. Allowance02/13/91
  5. Grant10/29/91
  6. Terminated10/24/95

The patent was granted on 10/29/1991 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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

Inventors

G. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

017.780 · 02/17/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação do pedido de patente

#3.1

08/23/1988

RPI 931

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

05/28/1991

RPI 1069

Republicação - classificação IPC

#15.11

05/14/1991

RPI 1067

Deferimento

#9.1

02/13/1991

RPI 1054

Exigência - art. 36 da LPI

#6.1

09/25/1990

RPI 1034

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