US848803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for controlling the flow of air.
Assignee: Individual
•
Filing: 1906-03-22
•
Granted: 1907-04-02
•
Expires: 1926-03-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Brady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:29
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/15
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) | 1910-04-01 | 1910-10-01 | 1911-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-04-01 | 1914-10-01 | 1915-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-04-01 | 1918-10-01 | 1919-04-02 | $7700.00 | Window Closed / Lapsed |