US3396366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic wave directive assembly
Assignee: Laboratory For Electronics Inc
•
Filing: 1965-05-18
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Granted: 1968-08-06
•
Expires: 1985-05-18
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Midlock
- 👤 Richard W Carlisle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:13
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/01; G08G1/04; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/28; G10K11/30
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) | 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 |