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US2746455A
Expired / Lapsed
US
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Venoclysis equipment
Assignee: Abbott Laboratories
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Filing: 1954-05-12
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Granted: 1956-05-22
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Expires: 1974-05-12
Abstract
No abstract record available.
Inventors
- 👤 David W Abel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:45
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/162; A61M2205/00; A61M2205/19; A61M2205/192; A61M2205/195
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |