US1701068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuously treating liquids
Assignee: De Laval Separator Co
•
Filing: 1926-06-22
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Granted: 1929-02-05
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Expires: 1946-06-22
Abstract
No abstract record available.
Inventors
- 👤 Alan E Flowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:31
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208; B01D17/0211; B01D17/0217; B01D21/00; B01D21/0039; B01D21/0045; B01D21/24; B01D21/2427; B01D21/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-02-05 | 1932-08-06 | 1933-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-02-05 | 1936-08-06 | 1937-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-02-05 | 1940-08-06 | 1941-02-05 | $7700.00 | Window Closed / Lapsed |