Patent US3174494A successfully refreshed from Google Patents.
US3174494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arm contoured crutch
Assignee: Individual
•
Filing: 1961-06-05
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Granted: 1965-03-23
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Roderick H Maguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:18
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/02; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A CRUTCH COMPRISING: VERTICAL SUPPORT MEANS TO EXTEND FROM THE ARM PIT TO THE GROUND; A BODY SUPPORT EXTENDING TRANSVERSELY OF THE SUPPORT MEANS IN A GENERALLY FORE-AND-AFT DIRECTION, A HAND GRIP INTERMEDIATE THE ENDS OF THE VERTICAL SUPPORT MEANS AND ALSO EXTENDING GENERALLY FORE-AND-AFT, AND VERTICALLY ELONGATED CONCAVE ARM SUPPORT MEANS ON THE VERTICAL SUPPORT MEANS ABOVE THE HAND GRIP SHAPED TO ENGAGE THE BACK OF THE FOREARM ADJACENT THE ELBOW TO BRACE THE ARM AGAINST UNDESIRED BENDING.
Claim 2
Dependent Claim
79 words
A CRUTCH COMPRISING: VERTICAL SUPPORT MEANS TO EXTEND FROM THE ARM PIT TO THE GROUND; A BODY SUPPORT EXTENDING TRANSVERSELY OF THE SUPPORT MEANS IN A GENERALLY FORE-AND-AFT DIRECTION, A HAND GRIP INTERMEDIATE THE ENDS OF THE VERTICAL SUPPORT MEANS AND ALSO EXTENDING GENERALLY FORE-AND-AFT, AND VERTICALLY ELONGATED CONCAVE ARM SUPPORT MEANS ON THE VERTICAL SUPPORT MEANS ABOVE THE HAND GRIP SHAPED TO ENGAGE THE BACK OF THE FOREARM ADJACENT THE ELBOW TO BRACE THE ARM AGAINST UNDESIRED BENDING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |