US472405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
La m p- c hi ivi n ey attac h m e n t
Assignee: —
•
Filing: —
•
Granted: 1892-04-05
•
Expires: 1909-04-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:05
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20; F; F21; F21V; F21V15/00; F21V15/02
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) | 1895-04-05 | 1895-10-05 | 1896-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-04-05 | 1899-10-05 | 1900-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-04-06 | 1903-10-06 | 1904-04-06 | $7700.00 | Window Closed / Lapsed |