US3389244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic volume or speed computer with zener diode in feedback circuit
Assignee: Laboratory For Electronics Inc
•
Filing: 1964-12-17
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Granted: 1968-06-18
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Expires: 1984-12-17
Abstract
No abstract record available.
Inventors
- 👤 Peter C Brockett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:16
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184; G06G7/48; G06G7/76; G08; G08G; G08G1/00; G08G1/01; G08G1/0104
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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |