US1254696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door opening and closing mechanism.
Assignee: Individual
•
Filing: —
•
Granted: 1918-01-29
•
Expires: 1935-01-29
Abstract
No abstract record available.
Inventors
- 👤 George F Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:52
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/689; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/47; E05Y2201/482
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) | 1921-01-28 | 1921-07-30 | 1922-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-01-28 | 1925-07-30 | 1926-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-01-28 | 1929-07-30 | 1930-01-29 | $7700.00 | Window Closed / Lapsed |