US30673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
David eynon
Assignee: —
•
Filing: —
•
Granted: 1860-11-20
•
Expires: 1877-11-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:58
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/40; H; H10; H10W; H10W72/00; H10W72/01; H10W72/019; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12299; Y10T428/12347; Y10T428/12493; Y10T428/12535; Y10T428/12556
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) | 1863-11-20 | 1864-05-21 | 1864-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1867-11-20 | 1868-05-21 | 1868-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1871-11-20 | 1872-05-21 | 1872-11-20 | $7700.00 | Window Closed / Lapsed |