US3475128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid processing apparatus and methods
Assignee: Bio Science Laboratories
•
Filing: 1966-04-08
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Granted: 1969-10-28
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Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Thiers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:20
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/02; B01L3/021; F; F04; F04B; F04B43/00; F04B43/12; F04B43/14; F04F; F04F1/00; F04F1/02; G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/18; G01N1/28; G01N1/38; G01N35/00; G01N35/08; B01L2400/00; B01L2400/04; B01L2400/0475; B01L2400/0481; G01N35/10; G01N35/1009; G01N2035/1025; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/117497; Y10T436/118339
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |