Patent US2595291A successfully refreshed from Google Patents.
US2595291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door controller
Assignee: Individual
•
Filing: 1947-01-30
•
Granted: 1952-05-06
•
Expires: 1967-01-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Ramsey
- 👤 Eldon S Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:47
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/40; E05F15/42; E05F15/44; E05F15/60; E05F15/603; E05F15/632; E05F15/635; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/43; E05Y2201/434; E05Y2201/60; E05Y2201/622; E05Y2201/71; E05Y2201/722; E05Y2400/00; E05Y2400/10; E05Y2400/20; E05Y2400/65; E05Y2400/656; E05Y2400/658; E05Y2600/00; E05Y2600/40; E05Y2600/46; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US704398A
Cited
US851891A
Cited
US1022001A
Cited
US1041642A
Cited
US1496154A
Cited
US1396757A
Cited
US1705406A
Cited
US1735153A
Cited
US1793716A
Cited
US1745990A
Cited
US1942253A
Cited
US1932198A
Cited
US1952681A
Cited
US2425312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |