US2872893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic immersion apparatus
Assignee: Technicon International Ltd
•
Filing: 1954-12-09
•
Granted: 1959-02-10
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Expires: 1974-12-09
Abstract
No abstract record available.
Inventors
- 👤 Nelson G Kling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:47
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/30; G01N1/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US707172A
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US1277253A
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US1887239A
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US2157875A
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US2386079A
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US2341197A
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US2341198A
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US2512643A
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US2645236A
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US2537931A
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US2619975A
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US2583379A
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US2741221A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |