US2673789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Applicator for hemolyzing whole blood
Assignee: American Optical Corp
•
Filing: 1950-08-01
•
Granted: 1954-03-30
•
Expires: 1970-08-01
Abstract
No abstract record available.
Inventors
- 👤 Morden G Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:44
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US174619A
Cited
US410794A
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US458244A
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US1498073A
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US1969874A
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US2008206A
Cited
GB496345A
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US2206282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |