US4547860B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer keyboards with few keys designating hundreds of functions
Assignee: Laitram LLC
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Filing: 1983-01-21
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Granted: 2000-11-21
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Expires: 2003-01-21
Abstract
No abstract record available.
Inventors
- 👤 James M Lapeyre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:37
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/0202; G06F3/0219; B; B41; B41J; B41J5/00; B41J5/08; B41J5/10; B41J5/28; G06F3/023; G06F3/0233; G06F3/0235; G06F3/0236; H; H01; H01H; H01H3/00; H01H3/02; H01H3/12; H01H2003/127; H01H2217/00; H01H2217/036; H01H2219/00; H01H2219/002; H01H2219/01; H01H2219/011
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) | 2003-11-21 | 2004-05-22 | 2004-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-11-21 | 2008-05-22 | 2008-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-11-21 | 2012-05-22 | 2012-11-21 | $7700.00 | Window Closed / Lapsed |