Patent US32816A successfully refreshed from Google Patents.
US32816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Island
Assignee: —
•
Filing: —
•
Granted: 1861-07-16
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Expires: 1878-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:09
CPC Classifications
A; A44; A44B; A44B5/00; A44B5/002; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3617
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) | 1864-07-15 | 1865-01-14 | 1865-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-07-15 | 1869-01-14 | 1869-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-07-15 | 1873-01-14 | 1873-07-16 | $7700.00 | Window Closed / Lapsed |