US1270159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control for humidifying apparatus.
Assignee: STUART W CRAMER
•
Filing: 1916-03-21
•
Granted: 1918-06-18
•
Expires: 1936-03-21
Abstract
No abstract record available.
Inventors
- 👤 William B Hodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; Y; Y10; Y10S; Y10S261/00; Y10S261/34
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) | 1921-06-17 | 1921-12-17 | 1922-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-06-17 | 1925-12-17 | 1926-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-06-17 | 1929-12-17 | 1930-06-18 | $7700.00 | Window Closed / Lapsed |