US595780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-tube cleaner for steam-boilers
Assignee: —
•
Filing: 1896-08-15
•
Granted: 1897-12-21
•
Expires: 1916-08-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:08
CPC Classifications
F; F28; F28G; F28G1/00; F28G1/08; B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/0436; B08B9/049; B08B9/051; F28G3/00; F28G3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1900-12-21 | 1901-06-22 | 1901-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-12-21 | 1905-06-22 | 1905-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-12-21 | 1909-06-22 | 1909-12-22 | $7700.00 | Window Closed / Lapsed |