Patent US2682275A successfully refreshed from Google Patents.
US2682275A
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US
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Traction attachment for canes, crutches, and the like
Assignee: Individual
•
Filing: 1948-12-03
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Granted: 1954-06-29
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Expires: 1968-12-03
Abstract
No abstract record available.
Inventors
- 👤 George O Eyrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:38
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/02; A61H3/0288
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) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |