Patent FR-1915-485270

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This original document makes reference to the Belgian priority date 1914-07-23.

  • Tech class: CPC F16F3/04: Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs, CPC B65D45/04: Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface comprising U-shaped or bifurcated members coacting with containers these members remaining connected with the closure and with the container when the container is open, e.g. pivoted bails
  • Note that this patent was administratively delayed for an unusually long time.
  • Inventor location: département Basses-Pyrénées


Patent family descending from Patent FR-1915-485270

Patent family descending from Patent BE-1914-07-23 François-Henri-Célestin Lacambra

Year filed 1915
Year granted 1917
Office FR
Patent number 485270
Inventors François-Henri-Célestin Lacambra
Inventor country FR
Applicant person François-Henri-Célestin Lacambra
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Dispositif d'extenseur métallique et ses applications
English title Metal expander device and its applications
Tech fields metal, traction
Filing date 1915/04/09
Full specification filed date
Application number
Grant date 1917/10/05
Granted? Yes
Publication date 1917/12/27
Supplementary to patent Patent BE-1914-07-23 François-Henri-Célestin Lacambra
Related to aircraft? 1
Serial number
Patent agent Maulvault
Assigned to
National tech categories FR 5.3
IPCs IPC B65D45/04, IPC F16F3/04
CPCs CPC B65D45/04, CPC F16F3/04
Family year 1914
First filing? No
Cites these patents
Citations from after 1930 0
Application ID
Number of text pages 2
Number of diagram pages 1
Number of figures 6
Number of claims 3