Patent US2644586A successfully refreshed from Google Patents.
US2644586A
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Blood strainer and drip meter
Assignee: Bayer Corp
•
Filing: 1949-08-01
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Granted: 1953-07-07
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Expires: 1969-08-01
Abstract
No abstract record available.
Inventors
- 👤 Fred A Cutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:20
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2068837A
Cited
US2473153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |