US3440638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data display system with lateral photocell for digital repositioning of displayed data
Assignee: Bendix Corp
•
Filing: 1965-04-08
•
Granted: 1969-04-22
•
Expires: 1985-04-08
Abstract
No abstract record available.
Inventors
- 👤 Ernest S Van Valkenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:38
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/033; G06F3/038; G06F3/0386
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3028500A
Cited
US3089918A
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US3189889A
Cited
US3256516A
Cited
US3346853A
Cited
US3292489A
Cited
US3337860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |