US2907223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jack screw drive
Assignee: SARGENT ENGINEERING Corp
•
Filing: 1957-04-22
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Granted: 1959-10-06
•
Expires: 1977-04-22
Abstract
No abstract record available.
Inventors
- 👤 Valenti Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2015; F16H25/22; F16H25/2204; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18688; Y10T74/19; Y10T74/19633; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19744; Y10T74/19749
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734359A
Cited
US1260080A
Cited
US2507946A
Cited
US2409288A
Cited
US2590251A
Cited
US2714821A
Cited
US2743623A
Cited
FR1123355A
Cited
GB779420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |