Patent US2781A successfully refreshed from Google Patents.
US2781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
deville
Assignee: —
•
Filing: —
•
Granted: 1842-09-17
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Expires: 1859-09-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:36
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/38; A41; A41G; A41G3/00; A41G3/0041
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) | 1845-09-16 | 1846-03-18 | 1846-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1849-09-16 | 1850-03-18 | 1850-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1853-09-16 | 1854-03-18 | 1854-09-17 | $7700.00 | Window Closed / Lapsed |