US1225691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing-tank.
Assignee: Individual
•
Filing: 1916-09-05
•
Granted: 1917-05-08
•
Expires: 1936-09-05
Abstract
No abstract record available.
Inventors
- 👤 William A Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:14
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4436; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2781; Y10T137/2795; Y10T137/7287; Y10T137/7313; Y10T137/7316; Y10T137/7319; Y10T137/7323; Y10T137/7358; Y10T137/7381; Y10T137/7394; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7905; Y10T137/794
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) | 1920-05-07 | 1920-11-06 | 1921-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-05-07 | 1924-11-06 | 1925-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-05-07 | 1928-11-06 | 1929-05-08 | $7700.00 | Window Closed / Lapsed |