Patent US5159291A successfully refreshed from Google Patents.
Patent US12844A successfully refreshed from Google Patents.
US12844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
patikt office
Assignee: —
•
Filing: —
•
Granted: 1855-05-08
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Expires: 1872-05-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:14
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/12; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7802
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) | 1858-05-07 | 1858-11-06 | 1859-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1862-05-07 | 1862-11-06 | 1863-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1866-05-07 | 1866-11-06 | 1867-05-08 | $7700.00 | Window Closed / Lapsed |