US69977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aethijr huston
Assignee: —
•
Filing: —
•
Granted: 1867-10-22
•
Expires: 1884-10-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:20
CPC Classifications
D; D06; D06F; D06F55/00; D06F55/02; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44949; Y10T24/44957
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) | 1870-10-21 | 1871-04-22 | 1871-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1874-10-21 | 1875-04-22 | 1875-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1878-10-21 | 1879-04-22 | 1879-10-22 | $7700.00 | Window Closed / Lapsed |