Patent US2908907A successfully refreshed from Google Patents.
US2908907A
Expired / Lapsed
US
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Apparatus for counting red blood corpuscles in blood
Assignee: Individual
•
Filing: 1959-02-02
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Granted: 1959-10-13
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Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Danielsson Karl Erik Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:50
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/04; G01N15/042; B; B04; B04B; B04B5/00; B04B5/04; B04B5/0407; B04B5/0414; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1398056A
Cited
US1991925A
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US2202157A
Cited
US2591317A
Cited
US2728821A
Cited
US2725782A
Cited
US2741913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |