US54118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement of solar mirror for photographic purposes
Assignee: —
•
Filing: —
•
Granted: 1866-04-24
•
Expires: 1883-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:39
CPC Classifications
F; F24; F24S; F24S50/00; F24S50/20; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/47
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) | 1869-04-23 | 1869-10-23 | 1870-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-04-23 | 1873-10-23 | 1874-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-04-23 | 1877-10-23 | 1878-04-24 | $7700.00 | Window Closed / Lapsed |