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US187551A
Expired / Lapsed
US
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Improvement in lasting apparatus for boots and shoes
Assignee: —
•
Filing: —
•
Granted: 1877-02-20
•
Expires: 1894-02-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:36
CPC Classifications
A; A43; A43D; A43D19/00
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) | 1880-02-20 | 1880-08-21 | 1881-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1884-02-20 | 1884-08-21 | 1885-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1888-02-20 | 1888-08-21 | 1889-02-20 | $7700.00 | Window Closed / Lapsed |