US2945691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window lift mechanism
Assignee: Individual
•
Filing: 1956-05-14
•
Granted: 1960-07-19
•
Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Harvey C Swift
- 👤 Cecil M Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:01
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/40; E05F11/405; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/1868
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2092919A
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US2311972A
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US2361529A
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US2337867A
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US2528396A
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US2657925A
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US2560179A
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US2543100A
Cited
US2664002A
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US2768532A
Cited
US2660029A
Cited
US2778239A
Cited
US2731261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |