Patent US3918190A successfully refreshed from Google Patents.
Patent US2950716A successfully refreshed from Google Patents.
US2950716A
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Fluid handling method and apparatus
Assignee: Fenwal Laboratories Inc
•
Filing: 1956-01-23
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Granted: 1960-08-30
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Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 Jr David Bellamy
- 👤 Carl W Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:34
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J1/10; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150221; A61B5/150366; A61B5/150992; A61M; A61M1/00; A61M1/02; A61M1/0209; A61M1/0236; A61J1/12; A61M2205/00; A61M2205/60; A61M2205/6063; Y; Y10; Y10T; Y10T137/00; Y10T137/4673
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US605178A
Cited
US815192A
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US2230218A
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US2489394A
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US2518165A
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US2702034A
Cited
US2674265A
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US2832344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |