US3055258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bragg diffraction ultrasonic devices
Assignee: Individual
•
Filing: 1951-08-22
•
Granted: 1962-09-25
•
Expires: 1971-08-22
Abstract
No abstract record available.
Inventors
- 👤 Hurvitz Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:26
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/29; G02F1/33; G01; G01R; G01R23/00; G02F1/01; G02F1/11; G02B; G02B26/00; G02B26/08; G02B26/0808
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |