US1002905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifying apparatus.
Assignee: Individual
•
Filing: 1910-12-27
•
Granted: 1911-09-12
•
Expires: 1930-12-27
Abstract
No abstract record available.
Inventors
- 👤 Albert J Dronsfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:25
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2489; B05B7/02; B05B7/12; B05B7/1254; B05B7/1263; B05B7/1272; B05B7/1281; B05B7/2402; B05B7/2405; B05B7/2435
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) | 1914-09-11 | 1915-03-13 | 1915-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-09-11 | 1919-03-13 | 1919-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-09-11 | 1923-03-13 | 1923-09-12 | $7700.00 | Window Closed / Lapsed |