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Official data from INPI

PEÇAS PERFILADAS INTEIRIÇA EM FORMA DE TUBO

Em AnáliseInvention Patent

Application data

Number

PI8502517

Type

Invention Patent

Filing

05/18/1985

Publication

12/23/1986

Progress at the INPI

  1. Filing05/18/85
  2. Publication12/23/86
  3. Examination03/31/87
  4. Allowance06/25/91
  5. Grant12/31/91
  6. Terminated05/21/96

The patent was granted on 12/31/1991 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: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

DE

Carl Freudenberg, firma alemã

DE

See this company's full portfolio

Inventors

H. J. (pessoa física)

DE

P. A. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 39 670.5 · 10/30/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Publicação do pedido de patente

#3.1

12/23/1986

RPI 844

Pedido de patente depositado

#2.1

08/06/1985

RPI 772

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

12/31/1991

RPI 1100

Republicação - classificação IPC

#15.11

11/05/1991

RPI 1092

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

11/20/1990

RPI 1042

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