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Official data from INPI

COMPOSICÃO SELANTE CURÁVEL COM UMIDADE

Em AnáliseInvention Patent

Application data

Number

PI8705559

Type

Invention Patent

Filing

10/19/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/19/87
  2. Publication05/24/88
  3. Examination09/13/88
  4. Allowance11/14/95
  5. Grant07/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Essex Specialty Products, Inc

US

See this company's full portfolio

Inventors

H. H. (pessoa física)

US

J. S. (pessoa física)

US

S. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

920.747 · 10/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/13/1988

RPI 934

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 19/10/2002

07/29/2008

RPI 1960

Republicação - classificação IPC

#15.11

02/25/1997

RPI 1369

Concessão da patente

#16.1

07/30/1996

RPI 1339

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

Deferimento

#9.1

11/14/1995

RPI 1302

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

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