US2420965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating motor-driven exercising machine that causes waist bending
Assignee: Individual
•
Filing: 1946-02-27
•
Granted: 1947-05-20
•
Expires: 1966-02-27
Abstract
No abstract record available.
Inventors
- 👤 Nathan D Mininberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:18
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1482173A
Cited
US2374492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |