US3040124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer head system
Assignee: IIT Research Institute
•
Filing: 1956-06-25
•
Granted: 1962-06-19
•
Expires: 1976-06-25
Abstract
No abstract record available.
Inventors
- 👤 Camras Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:26
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2200741A
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US2380467A
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US2291476A
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US2657377A
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US2771336A
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US2829025A
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US2730558A
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US2777745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |