H04M 2215/7893
Money or currency based
H04M2215/7893 (Money or currency based) appears on 4 US grants and 5 published applications in this corpus.
Search patents in H04M- Granted patents
- 4
- Published applications
- 5
- Assignees
- 5
- Inventors
- 14
- Latest grant
- 27 Nov 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
By publication year.
Recent patents
- Advanced payment for telephone services27 Nov 2012US 8,320,539 B2IDI Billing Solutions
- Shared usage telecommunications billing system and method6 Dec 2011US 8,073,119 B2AT&T Intellectual Property I, L. P.
- Prepaid telephony system and method of activating a prepaid telephony account9 Sep 2008US 7,424,100 B2AT&T Intellectual Property, Inc.
- Shared usage telecommunications billing system and method22 Jan 2008US 7,321,656 B2SBC Knowledge Ventures, L. P.
- Advanced payment for telephone services27 Aug 2009US 2009/0214012 A1IDI Billing Solutions
- Prepaid Telephony System and Method of Activating a Prepaid Telephony Account20 Nov 2008US 2008/0285732 A1AT&T Intellectual Property I, L. P.
- Shared Usage Telecommunications Billing System and Method20 Mar 2008US 2008/0069324 A1SBC Knowledge Ventures, L. P.
- Prepaid telephony system and method of activating a prepaid telephony account19 May 2005US 2005/0105704 A1SBC Knowledge Ventures, L.P.
- Shared usage telecommunications billing system and method10 Mar 2005US 2005/0053211 A1SBC Knowledge Ventures, L.P.
Most cited
By later US patents
- Shared usage telecommunications billing system and method19US 7,321,656 B2SBC Knowledge Ventures, L. P. · 2008
- Shared usage telecommunications billing system and method15US 8,073,119 B2AT&T Intellectual Property I, L. P. · 2011
- Advanced payment for telephone services1US 8,320,539 B2IDI Billing Solutions · 2012