Patent US1324587A successfully refreshed from Google Patents.
US1324587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding-door-operating device
Assignee: —
•
Filing: —
•
Granted: 1919-12-09
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Expires: 1936-12-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:38
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/632; E05F15/643; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/21; E05Y2201/214; E05Y2201/216; E05Y2201/23; E05Y2201/244
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) | 1922-12-08 | 1923-06-09 | 1923-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-12-08 | 1927-06-09 | 1927-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-12-08 | 1931-06-09 | 1931-12-09 | $7700.00 | Window Closed / Lapsed |