US2602102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable angle ultrasonic transducer
Assignee: Sperry Products Inc
•
Filing: 1950-04-13
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Granted: 1952-07-01
•
Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Robert H Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:49
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/35; G10K11/352; G10K11/355
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2378237A
Cited
US2460153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |