US3270746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-performance electrotherapeutic treatment head
Assignee: Dynapower Systems Corp
•
Filing: 1963-08-26
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Granted: 1966-09-06
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Kendall William Denis
- 👤 Frank A Yarger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:20
CPC Classifications
A; A61; A61N; A61N5/00; A61N5/02; A61N5/04; A61N1/00; A61N1/02; A61N1/04; A61N1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3043310A
Cited
US3168098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |