US3468391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensing device for use with a vehicle adapted to trace a path defined by a conductor
Assignee: Individual
•
Filing: 1967-04-05
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Granted: 1969-09-23
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Expires: 1987-04-05
Abstract
No abstract record available.
Inventors
- 👤 Karl Rushing
- 👤 John Clarence Allen Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:31
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/021; G05D1/0259; G05D1/0265; A; A01; A01B; A01B69/00; A01B69/007; A01B69/008; G05D1/0212; G05D1/0219
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |