US753642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door-lock.
Assignee: Individual
•
Filing: 1903-11-14
•
Granted: 1904-03-01
•
Expires: 1923-11-14
Abstract
No abstract record available.
Inventors
- 👤 John Sliga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:10
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0864; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0948; Y10T292/096; Y10T292/1014; Y10T292/1018; Y10T292/1043; Y10T292/1075; Y10T292/1078; Y10T292/1079; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5195; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791
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) | 1907-03-01 | 1907-08-31 | 1908-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-03-01 | 1911-08-31 | 1912-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-03-01 | 1915-08-31 | 1916-03-01 | $7700.00 | Window Closed / Lapsed |