Patent US3029581A successfully refreshed from Google Patents.
US3523733A
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US
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Method and apparatus for particle counting
Assignee: Technicon Corp
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Filing: 1966-01-05
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Granted: 1970-08-11
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Expires: 1986-01-05
Abstract
No abstract record available.
Inventors
- 👤 Nelson G Kling
- 👤 Kent M Negersmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:12
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/101; G01; G01N; G01N35/00; G01N35/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US893070A
Cited
US851388A
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US1945839A
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US3047367A
Cited
US3165693A
Cited
US3241432A
Cited
US3225645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |