US2515013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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 02:00
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US86515A
Cited
US585943A
Cited
US1529233A
Cited
US760440A
Cited
US1391811A
Cited
GB181482A
Cited
US1461640A
Cited
US1827846A
Cited
US2066151A
Cited
CH157413A
Cited
US2184845A
Cited
US2055385A
Cited
US2305810A
Cited
US2159859A
Cited
US2339862A
Cited
US2280093A
Cited
US2375640A
Cited
US2379183A
Cited
US2410450A
Cited
US2389789A
Cited
US2389064A
Cited
US2441361A
Cited
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 |