Patent US2940448A successfully refreshed from Google Patents.
US2940448A
Expired / Lapsed
US
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Disposable blood-gas analyzer
Assignee: Individual
•
Filing: 1957-04-29
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Granted: 1960-06-14
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Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Norman B Furlong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:30
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/14; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/4925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2054885A
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US2103136A
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US2487077A
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US2690179A
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US2616423A
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US2676591A
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US2680060A
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US2667872A
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US2771879A
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US2768623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |