US1100677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleansing and humidifying machine.
Assignee: JEREMIAH A BURGER
•
Filing: 1913-04-19
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Granted: 1914-06-16
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Expires: 1933-04-19
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:57
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/06
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) | 1917-06-15 | 1917-12-15 | 1918-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-06-15 | 1921-12-15 | 1922-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-06-15 | 1925-12-15 | 1926-06-16 | $7700.00 | Window Closed / Lapsed |