US3399581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball nut and screw assembly
Assignee: Sargent Industries Inc
•
Filing: 1966-07-25
•
Granted: 1968-09-03
•
Expires: 1986-07-25
Abstract
No abstract record available.
Inventors
- 👤 Valenti Peter
- 👤 Jr Paul V Wysong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:05
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2204; F16H25/2214; F16H25/2015; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19744; Y10T74/19749; Y10T74/19767
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2444886A
Cited
US2505131A
Cited
US2636397A
Cited
US2925744A
Cited
US3073177A
Cited
US3206995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |