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US2611365A
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High-frequency therapeutic apparatus
Assignee: NAT ELECTRIC INSTR Co Inc
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Filing: 1949-01-03
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Granted: 1952-09-23
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Expires: 1969-01-03
Abstract
No abstract record available.
Inventors
- 👤 Harry S Rubens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:40
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1402; A61B2018/0091; A61B2018/00916; A61B2018/00928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1059435A
Cited
US1813902A
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US1814791A
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US1780600A
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US1943543A
Cited
US2200322A
Cited
US2310844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |