US2548847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for controlling windows and the like
Assignee: Individual
•
Filing: 1948-02-27
•
Granted: 1951-04-10
•
Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
- 👤 Peter F Rossmann
- 👤 Rath Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:46
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/48; E05F11/481; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/47; E05Y2201/49; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191106581A
Cited
US1457316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |