US39351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved snap-hook
Assignee: —
•
Filing: —
•
Granted: 1863-07-28
•
Expires: 1880-07-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:21
CPC Classifications
F; F16; F16B; F16B45/00; F16B45/04; F16B45/045; A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2019; A44C5/2023; A44C5/2028; F16B45/02; F16B45/024
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) | 1866-07-27 | 1867-01-26 | 1867-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1870-07-27 | 1871-01-26 | 1871-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1874-07-27 | 1875-01-26 | 1875-07-28 | $7700.00 | Window Closed / Lapsed |