US2696248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single effect flash evaporator
Assignee: Morton Salt Co
•
Filing: 1951-05-26
•
Granted: 1954-12-07
•
Expires: 1971-05-26
Abstract
No abstract record available.
Inventors
- 👤 Horace W Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:34
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US438385A
Cited
US521974A
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US1306003A
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US1006823A
Cited
US1392656A
Cited
US1985250A
Cited
US2554138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |