Safety and arming device with breakable lock

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8689690
APP PUB NO 20120192746A1
SERIAL NO

13358719

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Calculated Rating
US Family Size
Non-US Coverage
Patent Longevity
Forward Citations

Abstract

See full text

A micro-machined or micro-engraved safety and arming device for a projectile pyrotechnic train, said device comprising a substrate onto which a shutter is positioned to ensure the blocking of a channel, said shutter being mobile in translation on said substrate, said shutter being held immobile in the safety position by at least one acceleration lock that is released further to the application of the axial acceleration imparted to said projectile during firing, wherein said acceleration lock is constituted by at least one breakable tongue linking said shutter to said substrate, said tongue being oriented and dimensioned such that the axial inertial stresses developed during firing and exerted on said shutter cause said tongue to break.

First Claim

See full text

Other Claims data not available

Family

PCTEP
+

Patent Owner(s)

Patent OwnerAddress
KNDS AMMO FRANCE78000 VERSAILLES

International Classification(s)

loading....
  • 2012 Application Filing Year
  • F42C Class
  • 59 Applications Filed
  • 56 Patents Issued To-Date
  • 94.92 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201220132014201520162017201820190255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kergueris, Christophe Grenoble, FR 8 58
Lafont, Renaud Bourges, FR 9 30
Pisella, Christian Beaucroissant, FR 12 71
Reynard, Laurent Bourges, FR 6 24
Visse, Pierre-Marie Meylan, FR 4 7

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • F42C Class
  • 0 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges62861101 - 1011 - 2021 - 3031 - 40024681012141618202224262830

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 8, 2025