US4582956B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for displaying at a selected station special service information during a silent interval between ringing
Assignee: Nokia of America Corp
•
Filing: 1983-07-12
•
Granted: 1994-09-20
•
Expires: 2003-07-12
Abstract
No abstract record available.
Inventors
- 👤 Carolyn A Doughty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:00
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/57; H04M1/573
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-09-19 | 1998-03-21 | 1998-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-09-19 | 2002-03-21 | 2002-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-09-19 | 2006-03-21 | 2006-09-20 | $7700.00 | Window Closed / Lapsed |