Patent US5146401A successfully refreshed from Google Patents.
Patent US158976A successfully refreshed from Google Patents.
US158976A
Expired / Lapsed
US
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Improvement in hoisting apparatus
Assignee: —
•
Filing: —
•
Granted: 1875-01-19
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Expires: 1892-01-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:29
CPC Classifications
B; B66; B66B; B66B9/00; B66B9/02; B66B9/025; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18616; Y10T74/19; Y10T74/19949; Y10T74/19953
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) | 1878-01-18 | 1878-07-20 | 1879-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-01-18 | 1882-07-20 | 1883-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-01-18 | 1886-07-20 | 1887-01-19 | $7700.00 | Window Closed / Lapsed |