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US551434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension-scaffold
Assignee: —
•
Filing: —
•
Granted: 1895-12-17
•
Expires: 1912-12-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:54
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T403/00; Y10T403/44
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) | 1898-12-16 | 1899-06-17 | 1899-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1902-12-17 | 1903-06-18 | 1903-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1906-12-17 | 1907-06-18 | 1907-12-18 | $7700.00 | Window Closed / Lapsed |