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Ergonomic computer keyboard
Assignee: Individual
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Filing: 1991-10-28
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Granted: 1994-03-15
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Expires: 2011-10-28
Abstract
No abstract record available.
Inventors
- 👤 Leonard V. Mermod, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:43
CPC Classifications
—
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
The ornamental design for an ergonomic computer keyboard, as shown and described.
References Cited (Backward Citations)
USD323817S
Cited
US5160919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-03-14 | 1997-09-13 | 1998-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-03-14 | 2001-09-13 | 2002-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-03-14 | 2005-09-13 | 2006-03-15 | $7700.00 | Window Closed / Lapsed |