US2621037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window actuator control
Assignee: Motors Liquidation Co
•
Filing: 1950-08-26
•
Granted: 1952-12-09
•
Expires: 1970-08-26
Abstract
No abstract record available.
Inventors
- 👤 Walter W Riedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:21
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/40; E05F15/50; E05F15/60; E05F15/603; E05F15/665; E05F15/689; E05F15/695; E05Y; E05Y2400/00; E05Y2400/80; E05Y2400/85; E05Y2400/852; E05Y2400/854; E05Y2400/856; E05Y2400/858; E05Y2400/86; E05Y2800/00; E05Y2800/40; E05Y2800/424; E05Y2800/426; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US758610A
Cited
US982913A
Cited
US2072389A
Cited
US2216518A
Cited
US2276511A
Cited
US2366790A
Cited
US2346387A
Cited
US2425391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |