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US153270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in scaffolds
Assignee: —
•
Filing: —
•
Granted: 1874-07-21
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Expires: 1891-07-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:43
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/34
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) | 1877-07-20 | 1878-01-19 | 1878-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1881-07-20 | 1882-01-19 | 1882-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1885-07-20 | 1886-01-19 | 1886-07-21 | $7700.00 | Window Closed / Lapsed |