Patent USD287724S successfully refreshed from Google Patents.
USD287724S
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular computer system
Assignee: Unisys Corp
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Filing: 1984-05-09
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Granted: 1987-01-13
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Expires: 2004-05-09
Abstract
No abstract record available.
Inventors
- 👤 Leroy B. Keely
- 👤 Diab E. Freige
- 👤 Michael J. Nuttall
Bibliographic Details
Application Number
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Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:37
CPC Classifications
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Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
The ornamental design for a modular computer system, as shown and described.
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) | 1990-01-12 | 1990-07-14 | 1991-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-12 | 1994-07-14 | 1995-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-12 | 1998-07-14 | 1999-01-13 | $7700.00 | Window Closed / Lapsed |