US3396243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording and reproduction of intelligence signals
Assignee: RAYMOND R MCDANIEL
•
Filing: 1966-09-28
•
Granted: 1968-08-06
•
Expires: 1986-09-28
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Mcdaniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:53
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/08; G11B7/09; G11B7/0938; G11B7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2307212A
Cited
US2790107A
Cited
US2855540A
Cited
US3137768A
Cited
US3134044A
Cited
US3263031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |