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Patent US16942A successfully refreshed from Google Patents.
US16942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Maeion j
Assignee: —
•
Filing: —
•
Granted: 1857-03-31
•
Expires: 1874-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:25
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/10; A47D13/107; A47C; A47C7/00; A47C7/62; A47D13/105
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) | 1860-03-30 | 1860-09-29 | 1861-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-03-30 | 1864-09-29 | 1865-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-03-30 | 1868-09-29 | 1869-03-31 | $7700.00 | Window Closed / Lapsed |