US3384429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle roller bearing assembly
Assignee: SKF Industries Inc
•
Filing: 1965-09-23
•
Granted: 1968-05-21
•
Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Farrell
- 👤 Lannert Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:30
CPC Classifications
F; F16; F16C; F16C21/00; F16C19/00; F16C19/22; F16C19/44; F16C19/46; F16C19/466; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C33/605; F16C17/00; F16C17/04; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1355706A
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FR577632A
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DE764818C
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DE927779C
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US2676074A
Cited
DE966285C
Cited
US2747949A
Cited
GB820237A
Cited
US3007752A
Cited
US3004808A
Cited
US3216753A
Cited
US3306682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |