USD340445S
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual component keyboard unit
Assignee: Marquardt GmbH
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Filing: 1991-09-10
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Granted: 1993-10-19
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Expires: 2011-09-10
Abstract
No abstract record available.
Inventors
- 👤 Kai-Uwe Marquardt
- 👤 Ekkehard Sachs
- 👤 Ralf Sauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:41
CPC Classifications
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Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
The ornamental design for a dual component keyboard unit, as shown and described.
References Cited (Backward Citations)
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DE2218065A1
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EP0055220B1
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US5067834A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-10-18 | 1997-04-19 | 1997-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-10-18 | 2001-04-19 | 2001-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-10-18 | 2005-04-19 | 2005-10-19 | $7700.00 | Window Closed / Lapsed |