Patent US2678743A successfully refreshed from Google Patents.
Patent US1043750A successfully refreshed from Google Patents.
US1043750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock.
Assignee: Emhart Industries Inc
•
Filing: 1912-06-01
•
Granted: 1912-11-05
•
Expires: 1932-06-01
Abstract
No abstract record available.
Inventors
- 👤 August Arens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:04
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1056; Y10T292/96; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/542; Y10T70/5425; Y10T70/5465; Y10T70/5482; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7927; Y10T70/80; Y10T70/8027; Y10T70/8189
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1915-11-05 | 1916-05-06 | 1916-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-11-05 | 1920-05-06 | 1920-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-11-05 | 1924-05-06 | 1924-11-05 | $7700.00 | Window Closed / Lapsed |