Patent US3511328A successfully refreshed from Google Patents.
US3511328A
Expired / Lapsed
US
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Power vehicle safety device
Assignee: ELDON L WEBB
•
Filing: 1969-08-18
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Granted: 1970-05-12
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Expires: 1989-08-18
Abstract
No abstract record available.
Inventors
- 👤 Eldon L Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:34
CPC Classifications
B; B60; B60K; B60K28/00; B60K28/02; B60K28/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1529889A
Cited
US1956978A
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US2250754A
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US2550999A
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US2708005A
Cited
US3305724A
Cited
US3323197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |