US541120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-escape
Assignee: —
•
Filing: —
•
Granted: 1895-06-18
•
Expires: 1912-06-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:58
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; B66C1/18; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3916; Y10T24/392; Y10T24/3989; Y10T24/45; Y10T24/45225; Y10T24/45969; Y10T24/45979
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) | 1898-06-17 | 1898-12-17 | 1899-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1902-06-18 | 1902-12-18 | 1903-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1906-06-18 | 1906-12-18 | 1907-06-19 | $7700.00 | Window Closed / Lapsed |