US645790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing distilled water.
Assignee: Individual
•
Filing: 1899-08-10
•
Granted: 1900-03-20
•
Expires: 1919-08-10
Abstract
No abstract record available.
Inventors
- 👤 Charles F Conover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:18
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/001; B01D3/003; Y; Y10; Y10S; Y10S203/00; Y10S203/18; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718
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) | 1903-03-20 | 1903-09-19 | 1904-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-03-20 | 1907-09-19 | 1908-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-03-20 | 1911-09-19 | 1912-03-20 | $7700.00 | Window Closed / Lapsed |