US843080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disinfector for water-closets.
Assignee: Individual
•
Filing: 1906-02-09
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Granted: 1907-02-05
•
Expires: 1926-02-09
Abstract
No abstract record available.
Inventors
- 👤 William H Ermentrout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:24
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; F16K11/163; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/4456; Y10T137/4463; Y10T137/4516; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7786
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) | 1910-02-04 | 1910-08-06 | 1911-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-02-04 | 1914-08-06 | 1915-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-02-04 | 1918-08-06 | 1919-02-05 | $7700.00 | Window Closed / Lapsed |