Granted Patent
Utility
US 6,687,245
· Confirmation No. 2202
SYSTEM AND METHOD FOR PERFORMING IP TELEPHONY
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2016-06-10 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2016-06-10 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2016-06-03 | PA.. |
Power of Attorney | 1 | View | |
| 2016-06-03 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2016-06-03 | R3.73 |
Assignee showing of ownership per 37 CFR 3.73 | 2 | View | |
| 2009-09-24 | LET. |
Miscellaneous Incoming Letter | 4 | View | |
| 2009-09-24 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2009-09-24 | TRAN.LET |
Transmittal Letter | 1 | View | |
| 2009-06-04 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2009-06-04 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2009-05-26 | PA.. |
Power of Attorney | 1 | View | |
| 2009-05-26 | R3.73 |
Assignee showing of ownership per 37 CFR 3.73 | 1 | View | |
| 2009-05-26 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2009-05-26 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2009-05-26 | TRAN.LET |
Transmittal Letter | 1 | View | |
| 2008-06-20 | R48.REQ |
Request under Rule 48 correcting inventorship | 17 | View | |
| 2008-06-20 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2008-06-20 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2003-12-15 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-12-15 | LET. |
Miscellaneous Incoming Letter | 2 | View | |
| 2003-12-15 | C.AD |
Change of Address | 1 | View | |
| 2001-07-11 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-07-11 | SPEC |
Specification | 58 | View | |
| 2001-07-11 | CLM |
Claims | 19 | View | |
| 2001-07-11 | ABST |
Abstract | 1 | View | |
| 2001-07-11 | DRW |
Drawings-only black and white line drawings | 22 | View | |
| 2001-07-11 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Richard E. Fangman
Pflugerville, TX
Jason D. Preston
Austin, TX
Attorneys & Agents of Record
Classification
USPC
370/356
H04L63/0272
H04L61/5007
H04L61/5014
H04L65/65
H04L2101/663
H04L61/2514
H04L61/2517
H04L61/2564
H04L63/0428
H04L63/20
H04L65/1043
H04L65/1069
H04M7/006
H04M7/1285
Prosecution
Publication
- Pub. No.
- US20020141390A1
- Pub. Date
- 2002-10-03
Patent Term Adjustment
-4days
PATENT SECURITY AGREEMENT
Recorded 2020-10-23
PATENT SECURITY AGREEMENT
Recorded 2020-10-23
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2015-08-14
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2015-06-26
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-09-19
SECURITY AGREEMENT
Recorded 2008-01-07
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-07-11
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