US2009188205A1PendingUtilityA1

Spring line

41
Assignee: WHITE JASPERPriority: Jan 25, 2008Filed: Jan 25, 2008Published: Jul 30, 2009
Est. expiryJan 25, 2028(~1.5 yrs left)· nominal 20-yr term from priority
Inventors:Jasper White
E04F 21/0015
41
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Claims

Abstract

This tool allows a craftsman to use an age old, proven method to align metal doors to door frames in an efficient fashion.

Claims

exact text as granted — not AI-modified
1 . a tool to assist in aligning metal doors to door frames comprising at least two units, each unit comprising at least a first casing and a second casing, and a string extending from the first casing to the second casing; 
   
   
       2 . the first casing of  claim 1  comprises a means to retract and store the string; 
   
   
       3 . the second casing of  claim 1  comprises a means to retract and store the string; 
   
   
       4 . the first and second casings of  claim 1  comprise a means to retract and store the string; 
   
   
       5 . the string of  claim 1  is at least the length of a diagonal of a standard commercial or residential door; 
   
   
       6 . the first casing of  claim 1  comprises at least one magnet; 
   
   
       7 . the second casing of  claim 1  comprises at least one magnet.

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