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Patent US3440897A successfully refreshed from Google Patents.
US3440897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy absorbing steering wheel
Assignee: Motors Liquidation Co
•
Filing: 1967-09-15
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Granted: 1969-04-29
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Expires: 1987-09-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert V Dutt
- 👤 Harland R Fosnaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:29
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/04; B60R21/05; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2683383A
Cited
GB759953A
Cited
US2818749A
Cited
US2872539A
Cited
US2909941A
Cited
US3172683A
Cited
US3364785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |