Patent US4425561A successfully refreshed from Google Patents.
US3114366A
Expired / Lapsed
US
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Traction apparatus
Assignee: Individual
•
Filing: 1962-01-02
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Granted: 1963-12-17
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Valentine J Maychark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:42
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
171 words
IN A TRACTION DEVICE FOR APPLYING TRACTION TO A HUMAN BODY, A FRAME STRUCTURE ADAPTED TO BE AFFIXED TO ONE END OF A BED FRAME, UPPER AND LOWER SHAFTS MOUNTED ON SAID FRAME STRUCTURE, PULLEY BLOCKS HAVING HUBS SLIDABLY AND ROTATABLY MOUNTED RESPECTIVELY ON SAID SHAFTS, SAID HUBS HAVING PULLEYS ARRANGED FOR TURNING MOVEMENT WITHIN SAID BLOCKS RESPECTIVELY, A TRACTION CORD ADAPTED TO BE CONNECTED TO A PART OF A HUMAN BEING AND EXTENDING SUCCESSIVELY OVER SAID PULLEYS WITH THE OUTER END OF THE CORD DEPENDING FROM THE UPPERMOST BLOCK, A WEIGHT ATTACHED TO THE DEPENDING END OF SAID CORD FOR EXERTING A TRACTION PULL ON THE HUMAN BEING, AND SAID BLOCKS HAVING OPENINGS EXTENDING TOWARD THE PERIPHERIES OF SAID PULLEYS RESPECTIVELY THROUGH WHICH SAID TRACTION CORD IS SLIDABLE FOR EFFECTING SIDEWISE MOVEMENT OF THE BLOCKS ON THE SHAFTS RESPECTIVELY WITH LATERAL MOVEMENT OF THE HUMAN BEING ON THE BED TO PROVIDE A SUBSTANTIALLY STRAIGHT LINE PULL FROM THE LOWER BLOCK LONGITUDINALLY OF THE PORTION OF THE HUMAN BEING UNDER TRACTION.
References Cited (Backward Citations)
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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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |