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US2812010A
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Balancing and walking device
Assignee: Individual
•
Filing: 1955-08-02
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Granted: 1957-11-05
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Expires: 1975-08-02
Abstract
No abstract record available.
Inventors
- 👤 Therese C Abdallah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:06
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/008; A61H2201/00; A61H2201/01; A61H2201/0192; A61H2201/16; A61H2201/1602; A61H2201/1619; A61H2201/1621; A61H2201/1635; A61H2201/164; A61H2201/1642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |