Patent US2515013A successfully refreshed from Google Patents.
US2515013A
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US
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Vapor compression distillation apparatus
Assignee: Individual
•
Filing: 1946-04-10
•
Granted: 1950-07-11
•
Expires: 1966-04-10
Abstract
No abstract record available.
Inventors
- 👤 Edward R Kruhmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:18
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/28; B01D1/289; B01D1/284; B01D1/2846; B01D3/00; Y; Y10; Y10S; Y10S159/00; Y10S159/24; Y10S203/00; Y10S203/11; Y10S203/18; Y10S203/21
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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |