US3495944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrubber method and apparatus
Assignee: Beckman Coulter Inc
•
Filing: 1967-06-28
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Granted: 1970-02-17
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Expires: 1987-06-28
Abstract
No abstract record available.
Inventors
- 👤 John J Mcgee
- 👤 Tom J Kelly
- 👤 John N Harman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:52
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/40; G01N1/405; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/66; Y; Y02; Y02A; Y02A50/00; Y02A50/20; Y10; Y10T; Y10T436/00; Y10T436/18; Y10T436/186; Y10T436/25; Y10T436/25125; Y10T436/25375; Y10T436/255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1436673A
Cited
US3433580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |