US4772269B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4772269B1 - - Google Patents
Assignee: University of Missouri-Columbia
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Filing: 1987-02-11
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Granted: 1992-05-19
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Expires: 2007-02-11
Abstract
No abstract record available.
Inventors
- 👤 J Twardowski Zbylut
- 👤 D Nolph Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/28; A61M1/285
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) | 1995-05-19 | 1995-11-18 | 1996-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-19 | 1999-11-18 | 2000-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-19 | 2003-11-18 | 2004-05-19 | $7700.00 | Window Closed / Lapsed |