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US3369422A
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Preloaded ball nut and screw device
Assignee: Beaver Precision Products Inc
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Filing: 1966-02-16
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Granted: 1968-02-20
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Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Richard E Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:50
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/22; F16H25/2204; F16H25/2209; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/38; B23Q5/40; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19707; Y10T74/1987; Y10T74/19893; Y10T74/19898; Y10T74/19902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124969A
Cited
US1119705A
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US1645276A
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US2734394A
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US2959976A
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US2978920A
Cited
US3059494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |