US3513265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross field transducer head with housing as cross field return path
Assignee: IIT Research Institute
•
Filing: 1964-10-29
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Granted: 1970-05-19
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Expires: 1984-10-29
Abstract
No abstract record available.
Inventors
- 👤 Marvin Camras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:02
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782; H04N5/7822
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2628285A
Cited
US2803708A
Cited
US2868889A
Cited
US3262124A
Cited
US3255307A
Cited
US3304370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |