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Patent US4810244B1 successfully refreshed from Google Patents.
US4810244B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trocar assembly for drawing fluids from a body part
Assignee: Individual
•
Filing: 1987-12-17
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Granted: 1998-06-16
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Expires: 2007-12-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:23
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/34; A61B17/3415; A61M; A61M1/00; A61M1/84; A61M1/85
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) | 2001-06-15 | 2001-12-15 | 2002-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-06-15 | 2005-12-15 | 2006-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-06-15 | 2009-12-15 | 2010-06-16 | $7700.00 | Window Closed / Lapsed |