US195118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in locks and keys
Assignee: —
•
Filing: —
•
Granted: 1877-09-11
•
Expires: 1894-09-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:54
CPC Classifications
E; E05; E05B; E05B29/00; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1089; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7588; Y10T70/7593; Y10T70/7599; Y10T70/7667; Y10T70/7689; Y10T70/7695; Y10T70/778; Y10T70/7791; Y10T70/7802; Y10T70/7881; Y10T70/7893
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) | 1880-09-10 | 1881-03-12 | 1881-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1884-09-10 | 1885-03-12 | 1885-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1888-09-10 | 1889-03-12 | 1889-09-11 | $7700.00 | Window Closed / Lapsed |