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Official data from INPI

APARELHO PARA PRODUÇÃO DE UM TUBO DE ENROLAMENTO

PublicadaInvention Patent

Application data

Number

PI8801738

Type

Invention Patent

Filing

04/12/1988

Publication

11/16/1988

Progress at the INPI

  1. Filing04/12/88
  2. Publication11/16/88
  3. Examination03/26/91
  4. Allowance07/23/96
  5. Grant05/27/97
  6. Expired08/26/08

The letters patent expired on 08/26/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ametex Ag

CH

See this company's full portfolio

Inventors

K. S. (pessoa física)

CH

R. K. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1449/87-6 · 04/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

08/23/1988

RPI 931

Carta-patente expirada

#21.1

Patente extinta em 12/04/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

05/27/1997

RPI 1382

Notificação para pagamento de retribuição

#13.1

03/25/1997

RPI 1373

Deferimento

#9.1

07/23/1996

RPI 1338

Exigência - art. 36 da LPI

#6.1

09/19/1995

RPI 1294

Solicitação de exame técnico

#4.1

03/26/1991

RPI 1060

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