US5305244B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hands-free user-supported portable computer
Assignee: RPX Corp
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Filing: 1992-04-06
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Granted: 1997-09-23
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Expires: 2012-04-06
Abstract
No abstract record available.
Inventors
- 👤 Edward G Newman
- 👤 Gil S Christian
- 👤 Michael D Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:37
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/16; G06F3/167; G01; G01R; G01R1/00; G01R1/02; G01R1/025; G02; G02B; G02B27/00; G02B27/01; G02B27/017; G02B27/0172; G06F1/00; G06F1/16; G06F1/1613; G06F1/163; G10; G10L; G10L15/00; G10L15/26; G02B27/0101; G02B2027/014; G02B2027/0143; G02B2027/0178; G02B5/00; G02B5/30; G10L15/08; G10L15/10
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) | 2000-09-22 | 2001-03-24 | 2001-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-22 | 2005-03-24 | 2005-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-22 | 2009-03-24 | 2009-09-23 | $7700.00 | Window Closed / Lapsed |