US3521900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for reducing steering force
Assignee: Nissan Motor Co Ltd
•
Filing: 1968-02-29
•
Granted: 1970-07-28
•
Expires: 1988-02-29
Abstract
No abstract record available.
Inventors
- 👤 Yasuyuki Sakai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:19
CPC Classifications
B; B60; B60G; B60G7/00; B60G7/005; B62; B62D; B62D7/00; B62D7/18; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US693962A
Cited
US1449907A
Cited
US1599442A
Cited
US1944441A
Cited
US2971770A
Cited
US3007729A
Cited
US3337232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |