US2784733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Check valve for parenteral solutions
Assignee: Don Baxter Inc
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Filing: 1954-10-08
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Granted: 1957-03-12
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Expires: 1974-10-08
Abstract
No abstract record available.
Inventors
- 👤 Frank E Martinez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/36; A61M5/40; F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; A61M5/14; A61M5/1411; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7313; Y10T137/7323; Y10T137/7326; Y10T137/7358; Y10T137/7423; Y10T137/7426; Y10T137/7436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |