Patent US1909192A successfully refreshed from Google Patents.
Patent US120484A successfully refreshed from Google Patents.
US120484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in gates
Assignee: —
•
Filing: —
•
Granted: 1871-10-31
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Expires: 1888-10-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:28
CPC Classifications
E; E05; E05F; E05F13/00; E05F13/02
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) | 1874-10-30 | 1875-05-01 | 1875-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1878-10-30 | 1879-05-01 | 1879-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1882-10-30 | 1883-05-01 | 1883-10-31 | $7700.00 | Window Closed / Lapsed |