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Patent US3117A successfully refreshed from Google Patents.
US3117A
Expired / Lapsed
US
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Improvement in fire-proof chests and safes
Assignee: —
•
Filing: —
•
Granted: 1843-06-01
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Expires: 1860-06-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:41
CPC Classifications
A; A23; A23J; A23J7/00; C; C07; C07C; C07C7/00; C07C7/20
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) | 1846-05-31 | 1846-11-30 | 1847-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1850-05-31 | 1850-11-30 | 1851-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1854-05-31 | 1854-11-30 | 1855-06-01 | $7700.00 | Window Closed / Lapsed |