US2812117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venoclysis apparatus
Assignee: Abbott Laboratories
•
Filing: 1955-03-29
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Granted: 1957-11-05
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Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Alex M Butkus
- 👤 George R Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/1412; A61J1/1418; A61J1/1475; A61J1/1487; A61J1/1443; A61J1/145; A61J1/1468; Y; Y10; Y10S; Y10S215/00; Y10S215/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US537111A
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US881241A
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US900103A
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US2210676A
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US2462575A
Cited
US2636502A
Cited
US2736469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |