US1682254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electrically-operated dooe
Assignee: —
•
Filing: —
•
Granted: 1928-08-28
•
Expires: 1945-08-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:07
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/611; E05F15/616; E05F15/622; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S292/00; Y10S292/12
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) | 1931-08-28 | 1932-02-27 | 1932-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-08-28 | 1936-02-27 | 1936-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-08-28 | 1940-02-27 | 1940-08-28 | $7700.00 | Window Closed / Lapsed |