US2672051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved flow meter for parenteral solution injection sets
Assignee: Bayer Corp
•
Filing: 1951-10-29
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Granted: 1954-03-16
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Expires: 1971-10-29
Abstract
No abstract record available.
Inventors
- 👤 William F Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:30
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/168; A61M5/16886
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US713980A
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US1286046A
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US1424730A
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US1889705A
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US2009427A
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US2129983A
Cited
US2413352A
Cited
US2367080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |