US2621540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined manual and automatic 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
2026-10-29 04:07
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/50; E05F11/505; E05F11/44; E05F11/445; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/689; E05F15/692; 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
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References Cited (Backward Citations)
US855623A
Cited
US1457316A
Cited
US1651959A
Cited
FR623638A
Cited
US2352140A
Cited
US2319842A
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US2387215A
Cited
US2437646A
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 |