US844410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic cleaner.
Assignee: Individual
•
Filing: 1906-05-07
•
Granted: 1907-02-19
•
Expires: 1926-05-07
Abstract
No abstract record available.
Inventors
- 👤 Paul Schauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:45
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/147; F16K15/1472; Y; Y10; Y10S; Y10S604/00; Y10S604/902; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788
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) | 1910-02-18 | 1910-08-20 | 1911-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-02-18 | 1914-08-20 | 1915-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-02-18 | 1918-08-20 | 1919-02-19 | $7700.00 | Window Closed / Lapsed |