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Patent US3069904A successfully refreshed from Google Patents.
US3069904A
Expired / Lapsed
US
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Means for sensing roughness of a roadway surface
Assignee: Individual
•
Filing: 1960-02-01
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Granted: 1962-12-25
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Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Lyell D Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:17
CPC Classifications
G; G01; G01C; G01C7/00; G01C7/02; G01C7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1042525A
Cited
US1264495A
Cited
US1401913A
Cited
US1590313A
Cited
US1788871A
Cited
US2946644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |