Patent US123236A successfully refreshed from Google Patents.
US123236A
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US
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Improvement in self-releasing hooks
Assignee: —
•
Filing: —
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Granted: 1872-01-30
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Expires: 1889-01-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:31
CPC Classifications
F; F16; F16B; F16B45/00; F16B45/02; F16B45/024; F16B45/026; B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/34
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) | 1875-01-29 | 1875-07-31 | 1876-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1879-01-29 | 1879-07-31 | 1880-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1883-01-29 | 1883-07-31 | 1884-01-30 | $7700.00 | Window Closed / Lapsed |