US3520609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for detecting agglutination reactions
Assignee: Pfizer Inc
•
Filing: 1968-04-12
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Granted: 1970-07-14
•
Expires: 1988-04-12
Abstract
No abstract record available.
Inventors
- 👤 Kurt S Lion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:13
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/59; G01N21/5907; G01N21/5911; G01N23/00; G01N23/02; G01N23/06; G01N23/16; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/4905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2494441A
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US2875666A
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US3148244A
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US3202042A
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US3315229A
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US3307392A
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US3368872A
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US3413464A
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US3458287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |