US3720206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ankle hitch
Assignee: Individual
•
Filing: 1971-11-19
•
Granted: 1973-03-13
•
Expires: 1991-11-19
Abstract
Abstract THIS ARTICLE, COMMONLY CALLED AN ANKLE HITCH IS AN ACCESSORY IN LOWER LIMB TRACTION SPLINT EQUIPMENT FOR ATTACHMENT ON THE FOOT AND ANKLE AND ENABLING SECUREMENT OF THE ACTUAL TENSIONING MEANS WITH A REASONABLY ACCURATE MEASUREMENT OF THE TENSION APPLIED. THE ARTICLE IS CONSTRUCTED SO THAT IT CAN SCARCELY BE IMPROPERLY APPLIED SINCE IT IS REVERSIBLE AS TO FOOT AND ANKLE STRAP ATTACHMENT WITH COMPLETE NON-SLIP ASSURANCE IN BOTH POSITIONS, A FOOTUPRIGHTING OR LATERAL SUPPORT FUNCTION, AND AN EASILY READ TENSIONING SCALE ELIMINATES GUESSWORK IN DETERMINING THE DEGREE OF TENSION TO BE APPLIED. D R A W I N G
Inventors
- 👤 J Walker
- 👤 O Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:25
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/06; A61F13/064; A61F13/066; Y; Y10; Y10S; Y10S132/00; Y10S132/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |