Patent US28068A successfully refreshed from Google Patents.
US28068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steaw-ctjttee
Assignee: —
•
Filing: —
•
Granted: 1860-05-01
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Expires: 1877-05-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:45
CPC Classifications
B; B26; B26B; B26B15/00; Y; Y10; Y10T; Y10T83/00; Y10T83/061; Y10T83/647; Y10T83/6572; Y10T83/6576; Y10T83/6584; Y10T83/6592; Y10T83/664; Y10T83/6648; Y10T83/727; Y10T83/744; Y10T83/745; Y10T83/869; Y10T83/872; Y10T83/8722; Y10T83/8789; Y10T83/8796; Y10T83/929; Y10T83/9411; Y10T83/9413
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) | 1863-05-01 | 1863-10-31 | 1864-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1867-05-01 | 1867-10-31 | 1868-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1871-05-01 | 1871-10-31 | 1872-05-01 | $7700.00 | Window Closed / Lapsed |