Patent US2512621A successfully refreshed from Google Patents.
US2512621A
Expired / Lapsed
US
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Therapeutic vibrator
Assignee: Individual
•
Filing: 1944-11-23
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Granted: 1950-06-27
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Expires: 1964-11-23
Abstract
No abstract record available.
Inventors
- 👤 John H Emerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
A; A61; A61H; A61H23/00; A61H23/02; A61H23/0254; A61H23/0263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US761862A
Cited
US897791A
Cited
US1630115A
Cited
US1818287A
Cited
US2174648A
Cited
US2311274A
Cited
US2425655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |