US2863501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for evaporating salt brine or the like
Assignee: Individual
•
Filing: 1951-08-24
•
Granted: 1958-12-09
•
Expires: 1971-08-24
Abstract
No abstract record available.
Inventors
- 👤 William H Farnsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:22
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/28; B01D1/2803; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/16; Y; Y10; Y10S; Y10S203/00; Y10S203/18
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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |