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App. No. 11/217,880 · Confirmation No. 8367

SAFETY BRAKE MECHANISM FOR A WINDING DRUM AND METHOD FOR GRINDING A SAFETY BRAKE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Quick Facts
App. No.
11/217,880
Filed
2005-09-01
Granted
2007-12-04
Pub. No.
US20060169964A1
Art Unit
3654
PTA
0 days