US122615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in fire-proof shutters
Assignee: —
•
Filing: —
•
Granted: 1872-01-09
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Expires: 1889-01-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:06
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084; E05; E05F; E05F1/00; E05F1/002; E05F1/004
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) | 1875-01-08 | 1875-07-10 | 1876-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1879-01-08 | 1879-07-10 | 1880-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1883-01-08 | 1883-07-10 | 1884-01-09 | $7700.00 | Window Closed / Lapsed |