US3529466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic inspection apparatus for rotatable cylindrical objects and bodies of elastic material
Assignee: United States Department of the Army
•
Filing: 1967-04-14
•
Granted: 1970-09-22
•
Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 William J Pryor
- 👤 Richard A Meinert
- 👤 William C Truckenmiller
- 👤 David Murphy
- 👤 John Bryce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:06
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/26; G01N29/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2527986A
Cited
US3074268A
Cited
US3036151A
Cited
US3225136A
Cited
US3295362A
Cited
US3308652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |