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US4194509B1
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US4194509B1 - - Google Patents
Assignee: CR Bard Inc
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Filing: 1978-04-11
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Granted: 1990-06-26
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Expires: 1998-04-11
Abstract
No abstract record available.
Inventors
- 👤 S Pickering Keldon
- 👤 T Ferguson Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:47
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/10; A61M39/1011; A61M2039/1027; A61M2039/1077
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) | 1993-06-25 | 1993-12-25 | 1994-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-25 | 1997-12-25 | 1998-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-25 | 2001-12-25 | 2002-06-26 | $7700.00 | Window Closed / Lapsed |