US3013170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for reproducing acoustic images
Assignee: Individual
•
Filing: 1952-05-16
•
Granted: 1961-12-12
•
Expires: 1972-05-16
Abstract
No abstract record available.
Inventors
- 👤 Sheldon Edward Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:41
CPC Classifications
A; A61; A61B; A61B8/00; H; H01; H01J; H01J31/00; H01J31/08; H01J31/495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2164125A
Cited
US2270232A
Cited
US2306272A
Cited
US2528726A
Cited
US2453509A
Cited
US2541374A
Cited
US2555423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |