US4558302B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4558302B1 - - Google Patents
Assignee: Unisys Corp
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Filing: 1983-06-20
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Granted: 1994-01-04
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Expires: 2003-06-20
Abstract
No abstract record available.
Inventors
- 👤 Terry A Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:27
CPC Classifications
G; G06; G06T; G06T9/00; G06T9/005; H; H03; H03M; H03M7/00; H03M7/30; H03M7/3084; H03M7/3088
Claims Analysis
Total Claims: 0
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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) | 1997-01-03 | 1997-07-05 | 1998-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-01-03 | 2001-07-05 | 2002-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-01-03 | 2005-07-05 | 2006-01-04 | $7700.00 | Window Closed / Lapsed |