Patent US1857756A successfully refreshed from Google Patents.
US1857756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertically movable hinged panel door
Assignee: Individual
•
Filing: 1930-01-15
•
Granted: 1932-05-10
•
Expires: 1950-01-15
Abstract
No abstract record available.
Inventors
- 👤 William R Headley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:06
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/16; E05D15/165; E05D15/24; E05D15/244; E05D15/246; E05D13/00; E05D13/10; E05D13/12; E05D13/1276; E05D13/1284; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/654; E05Y2201/658; E05Y2201/668; E05Y2201/684; E05Y2600/00; E05Y2600/40; E05Y2600/456; E05Y2900/00; E05Y2900/10; E05Y2900/106
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) | 1935-05-10 | 1935-11-09 | 1936-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-10 | 1939-11-09 | 1940-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-10 | 1943-11-09 | 1944-05-10 | $7700.00 | Window Closed / Lapsed |