US678462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coagulant-feeder.
Assignee: Individual
•
Filing: 1901-01-28
•
Granted: 1901-07-16
•
Expires: 1921-01-28
Abstract
No abstract record available.
Inventors
- 👤 Harry Etheridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:04
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/02; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7498; Y10T137/9464
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) | 1904-07-15 | 1905-01-14 | 1905-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-07-15 | 1909-01-14 | 1909-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-07-15 | 1913-01-14 | 1913-07-16 | $7700.00 | Window Closed / Lapsed |