US5200248B1
Expired / Lapsed
US
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Open capillary channel structures improved process for making capillary channel structures and extrusion die for use therein
Assignee: Clemson University Research Foundation
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Filing: 1991-10-08
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Granted: 1999-02-09
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Expires: 2011-10-08
Abstract
No abstract record available.
Inventors
- 👤 Hugh A Thompson
- 👤 Edward H Krautter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:40
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/253; D01D5/24; B; B29; B29C; B29C48/00; B29C48/001; B29C48/0022; B29C48/03; B29C48/07; B29C48/08; B29C48/12; B29C48/13; B29K; B29K2995/00; B29K2995/0037; B29K2995/0072; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24174; Y10T428/24273; Y10T428/24479; Y10T428/2457; Y10T428/29; Y10T428/2902; Y10T428/2913; Y10T428/2933; Y10T428/2935; Y10T428/2973; Y10T428/2975; Y10T428/298
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) | 2002-02-08 | 2002-08-10 | 2003-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-02-08 | 2006-08-10 | 2007-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-02-08 | 2010-08-10 | 2011-02-09 | $7700.00 | Window Closed / Lapsed |