Patent US2693189A successfully refreshed from Google Patents.
US2693189A
Expired / Lapsed
US
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Venoclysis equipment
Assignee: Abbott Laboratories
•
Filing: 1950-12-15
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Granted: 1954-11-02
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Expires: 1970-12-15
Abstract
No abstract record available.
Inventors
- 👤 George R Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J1/10; Y; Y10; Y10S; Y10S220/00; Y10S220/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189414369A
Cited
US1695076A
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US1912750A
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US2083860A
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US2202163A
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US2154510A
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US2174906A
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US2245738A
Cited
US2489707A
Cited
US2520449A
Cited
US2597715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |