US3427634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronous optical interrogation system
Assignee: Conductron Corp
•
Filing: 1965-03-03
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Granted: 1969-02-11
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Lloyd O Crabtree
- 👤 Jan A Van Den Broek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:41
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G03; G03B; G03B21/00; G06; G06E; G06E3/00; G06E3/001; G06K; G06K17/00; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/30; G09B9/32; G09B9/326; G11B; G11B7/00; G11B7/002; G11B7/003; G11B7/12
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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |