US3521232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed indicator for vehicles
Assignee: Standex International Corp
•
Filing: 1967-10-16
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Granted: 1970-07-21
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Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 John W Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:12
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/56; G01P3/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2457968A
Cited
US2683868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |