Patent US34037A successfully refreshed from Google Patents.
US34037A
Expired / Lapsed
US
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Improvement in heels for boots or shoes
Assignee: —
•
Filing: —
•
Granted: 1861-12-24
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Expires: 1878-12-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:21
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/28; A43B13/34
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) | 1864-12-23 | 1865-06-24 | 1865-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-12-23 | 1869-06-24 | 1869-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-12-23 | 1873-06-24 | 1873-12-24 | $7700.00 | Window Closed / Lapsed |