US601975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permutation-lock
Assignee: —
•
Filing: —
•
Granted: 1898-04-05
•
Expires: 1915-04-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:50
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/12; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5319; Y10T70/5336; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/726
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) | 1901-04-05 | 1901-10-05 | 1902-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-04-05 | 1905-10-05 | 1906-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-04-05 | 1909-10-05 | 1910-04-06 | $7700.00 | Window Closed / Lapsed |