Patent US2674265A successfully refreshed from Google Patents.
US2674265A
Expired / Lapsed
US
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Diverter for blood transfusion apparatus
Assignee: Individual
•
Filing: 1952-04-25
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Granted: 1954-04-06
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Expires: 1972-04-25
Abstract
No abstract record available.
Inventors
- 👤 Dennis Robert Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:29
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/22; A61M39/223; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87788; Y10T137/87804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US422770A
Cited
US850762A
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US1116187A
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US1242174A
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US1236865A
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US2129502A
Cited
US2279834A
Cited
US2624364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |