US2937640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic apparatus for medical treatment purposes
Assignee: Siemens Reiniger Werke AG
•
Filing: 1952-10-25
•
Granted: 1960-05-24
•
Expires: 1972-10-25
Abstract
No abstract record available.
Inventors
- 👤 Bastir Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:21
CPC Classifications
A; A61; A61H; A61H23/00; A61H23/02; A61H23/0245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1734975A
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US2283285A
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US2543248A
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US2431233A
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US2473188A
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US2467285A
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US2551757A
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US2444349A
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US2517948A
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US2698622A
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US2799787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |