US2621541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple drive window regulator
Assignee: Hupp Corp
•
Filing: 1949-09-22
•
Granted: 1952-12-16
•
Expires: 1969-09-22
Abstract
No abstract record available.
Inventors
- 👤 Rath Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:33
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/689; E05F15/692; E05F11/00; E05F11/38; E05F11/44; E05F11/445; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/47; E05Y2201/49; E05Y2201/60; E05Y2201/622; E05Y2201/71; E05Y2201/72; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US787788A
Cited
US1661652A
Cited
US1965878A
Cited
US2001758A
Cited
US2437646A
Cited
US2452178A
Cited
US2387713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |