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Official data from INPI

APARELHO E PROCESSO PARA IMPEDIR A AÇÃO DE MOLA DE RELÓGIO DE UM ROLO DE MATERIAL DE PELÍCULA

Arquivada/ExtintaInvention PatentPCT · US1987001723

Application data

Number

PI8707406

Type

Invention Patent

Filing

07/23/1987

Publication

11/01/1988

PCT

US1987001723

Progress at the INPI

  1. Filing07/23/87
  2. Publication11/01/88
  3. Examination02/13/90
  4. Allowance08/27/91
  5. Grant06/30/92
  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: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eastman Kodak Company

US

See this company's full portfolio

Inventors

L. K. (pessoa física)

US

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

894.974 · 08/08/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

11/01/1988

RPI 941

Carta-patente expirada

#21.1

Patente extinta em 23/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

12/24/1991

RPI 1099

Deferimento

#9.1

08/27/1991

RPI 1082

Exigência - art. 36 da LPI

#6.1

10/16/1990

RPI 1037

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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