US180329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in elevator-buckets
Assignee: —
•
Filing: —
•
Granted: 1876-07-25
•
Expires: 1893-07-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:40
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2/91; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49995
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) | 1879-07-25 | 1880-01-24 | 1880-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-07-25 | 1884-01-24 | 1884-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-07-25 | 1888-01-24 | 1888-07-25 | $7700.00 | Window Closed / Lapsed |