US131699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in bolts for safe-doors
Assignee: —
•
Filing: —
•
Granted: 1872-09-24
•
Expires: 1889-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:06
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/12; E05B63/127; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0802; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/5252
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) | 1875-09-24 | 1876-03-25 | 1876-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1879-09-24 | 1880-03-25 | 1880-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1883-09-24 | 1884-03-25 | 1884-09-24 | $7700.00 | Window Closed / Lapsed |