US2592180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically operated regulator mechanism for vehicle windows or the like utilizing engine starter motor
Assignee: Individual
•
Filing: 1949-06-16
•
Granted: 1952-04-08
•
Expires: 1969-06-16
Abstract
No abstract record available.
Inventors
- 👤 John B Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:38
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/50; E05F15/57; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55; Y; Y10; Y10S; Y10S60/00; Y10S60/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2057088A
Cited
US2139473A
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US2147535A
Cited
US2301576A
Cited
US2311864A
Cited
US2330005A
Cited
US2409975A
Cited
US2425391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |