US3413971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body traction device
Assignee: Individual
•
Filing: 1966-09-06
•
Granted: 1968-12-03
•
Expires: 1986-09-06
Abstract
No abstract record available.
Inventors
- 👤 Robert N Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:20
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A TRACTION DEVICE COMPRISING, A FRAME HAVING TOP AND BOTTOM CROSS BARS, A PAIR OF SPACED SIDE BARS EXTENDED BETWEEN THE CROSS BARS AND CONNECTED THERETO, EACH OF THE SIDE BARS HAVING MEANS FOR VARYING THE EFFECTIVE LENGTH THEREOF IN SPACED INCREMENTS TO VARY THE DISTANCE BETWEEN THE CROSS BARS AND SET THE OVER-ALL LENGTH OF THE TRACTION DEVICE, AND MEANS ASSOCIATED WITH EACH OF THE SIDE BARS FOR VARYING THE EFFECTIVE LENGTH THEREOF IN SMALL AMOUNTS TO APPLY THE DESIRED AMOUNT OF TRACTION.
Claim 2
Dependent Claim
84 words
A TRACTION DEVICE COMPRISING, A FRAME HAVING TOP AND BOTTOM CROSS BARS, A PAIR OF SPACED SIDE BARS EXTENDED BETWEEN THE CROSS BARS AND CONNECTED THERETO, EACH OF THE SIDE BARS HAVING MEANS FOR VARYING THE EFFECTIVE LENGTH THEREOF IN SPACED INCREMENTS TO VARY THE DISTANCE BETWEEN THE CROSS BARS AND SET THE OVER-ALL LENGTH OF THE TRACTION DEVICE, AND MEANS ASSOCIATED WITH EACH OF THE SIDE BARS FOR VARYING THE EFFECTIVE LENGTH THEREOF IN SMALL AMOUNTS TO APPLY THE DESIRED AMOUNT OF TRACTION.
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |