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Official data from INPI

APERFEIÇOAMENTOS EM PARAFUSOS E/OU ELEMENTOS SIMILARES DE FIXAÇÃO POR APARAFUSAMENTO

Em AnáliseInvention Patent

Application data

Number

PI8701865

Type

Invention Patent

Filing

04/21/1987

Publication

11/01/1988

Progress at the INPI

  1. Filing04/21/87
  2. Publication11/01/88
  3. Examination10/17/89
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Terminated10/17/95

The patent was granted on 11/26/1991 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sociedade Técnica de Elastômeros Stela Ltda.

SP, BR

See this company's full portfolio

Inventors

J. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/17/1989

RPI 991

Publicação do pedido de patente

#3.1

11/01/1988

RPI 941

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Republicação - classificação IPC

#15.11

07/23/1991

RPI 1077

Deferimento

#9.1

04/30/1991

RPI 1065

Exigência - art. 36 da LPI

#6.1

01/22/1991

RPI 1051

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