Patent US301705A successfully refreshed from Google Patents.
US301705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grate-bar and lock for the same
Assignee: —
•
Filing: —
•
Granted: 1884-07-08
•
Expires: 1901-07-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:05
CPC Classifications
F; F23; F23H; F23H9/00; F23H9/08
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) | 1887-07-08 | 1888-01-07 | 1888-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-07-08 | 1892-01-07 | 1892-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-07-08 | 1896-01-07 | 1896-07-08 | $7700.00 | Window Closed / Lapsed |