Patent US2925022A successfully refreshed from Google Patents.
Patent US2096070A successfully refreshed from Google Patents.
Patent US5231328A successfully refreshed from Google Patents.
Patent US2903228A successfully refreshed from Google Patents.
Patent US554327A successfully refreshed from Google Patents.
US554327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xxorxwb
Assignee: —
•
Filing: —
•
Granted: 1896-02-11
•
Expires: 1913-02-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:18
CPC Classifications
F; F23; F23C; F23C3/00; F23C3/006; F23C3/008
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) | 1899-02-10 | 1899-08-12 | 1900-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-02-11 | 1903-08-13 | 1904-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-02-11 | 1907-08-13 | 1908-02-12 | $7700.00 | Window Closed / Lapsed |