Liberty Safe and Security Products, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E05B LOCKS; ACCESSORIES THEREFOR; HANDCUFFS347
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8943864 Proportional torque shaft clutch assemblyMar 29, 10Feb 03, 15[E05B, F16C, F16D]
8347665 Self-balancing locking mechanism for doorsMar 29, 10Jan 08, 13[E05B]
5778708 Door locking mechanism for safesFeb 20, 97Jul 14, 98[E05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0011,111 Safe with low-voltage power systemAbandonedJul 19, 04Jan 19, 06[E05G]
6843184 Adjustable door bolt jamb for safesExpiredFeb 21, 03Jan 18, 05[E06B]
6042207 Reconfigurable interior structure for safes and the likeExpiredJul 28, 98Mar 28, 00[A47B, A47F]
D354836 Safe handleExpiredNov 12, 93Jan 24, 95[]

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