US1379631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-distilling apparatus
Assignee: Individual
•
Filing: 1920-07-26
•
Granted: 1921-05-31
•
Expires: 1940-07-26
Abstract
No abstract record available.
Inventors
- 👤 Kells Charles Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:03
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/045; B; B01; B01D; B01D5/00; B01D5/0057; B01D5/006; B01D5/0063; Y; Y10; Y10S; Y10S203/00; Y10S203/18; Y10S203/19; Y10T; Y10T137/00; Y10T137/2496; Y10T137/27; Y10T137/6416; Y10T137/6443; Y10T137/7287; Y10T137/7339; Y10T137/7355
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1924-05-30 | 1924-11-29 | 1925-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-05-30 | 1928-11-29 | 1929-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-05-30 | 1932-11-29 | 1933-05-31 | $7700.00 | Window Closed / Lapsed |