AMERITECH SERVICES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04M TELEPHONIC COMMUNICATION 5158
 
  
 
H04Q SELECTING 3107
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1150
 
  
 
H04J MULTIPLEX COMMUNICATION 1124
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7020255 Method and system for providing a work-at-home telecommunication serviceApr 25, 01Mar 28, 06[H04M]
6925164 Method and system for call tracingOct 14, 03Aug 02, 05[H04M, H04Q]
6404882 Method and system for call tracingJun 04, 01Jun 11, 02[H04M, H04Q]
6252953 Method and system for providing a work-at-home telecommunication serviceSep 30, 96Jun 26, 01[H04M]
6243458 Method and system for call tracingOct 28, 99Jun 05, 01[H04M, H04Q, G09G]
D386184 Remote controlAug 14, 96Nov 11, 97[1403]
D385886 Phone placardSep 11, 96Nov 04, 97[1403]
D379994 Phone placardJun 27, 95Jun 17, 97[1403]
5594938 Universal TV interface for switch of broadcast video distribution (and related method)May 11, 95Jan 14, 97[H04N]
5343461 Full duplex digital transmission facility loop-back test, diagnostics and maintenance systemAug 27, 91Aug 30, 94[H04J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7221751 Method and system for call tracingExpiredJun 02, 05May 22, 07[H04M]
7170983 Method and system for providing a work-at-home telecommunication serviceExpiredJan 06, 06Jan 30, 07[H04M]
6718031 Method and system for call tracingExpiredJun 11, 02Apr 06, 04[H04M]
5999616 Method and system for call tracingExpiredApr 17, 98Dec 07, 99[H04M, H04Q, G09G]
5768357 Method and system for providing a work-at-home telecommunication serviceWithdrawnSep 30, 96Jun 16, 98[]
5128988 Telephone-switched network, automatic meter-reading system based upon service addressExpiredMar 19, 90Jul 07, 92[H04M]

Top Inventors for This Owner

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