US2685369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coagulation of finely divided suspended solids
Assignee: Honeywell International Inc
•
Filing: 1951-06-27
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Granted: 1954-08-03
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Expires: 1971-06-27
Abstract
No abstract record available.
Inventors
- 👤 James E Crossley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:12
CPC Classifications
B; B04; B04B; B04B1/00; B01; B01D; B01D21/00; B01D21/01; B01D21/24; B01D21/2488; B01D21/26; B01D21/262; B01D21/30; B01D21/34
Claims Analysis
Total Claims: 0
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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) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |