US3820167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial hip joint
Assignee: ALLIED MEDICAL Corp A DE CORP
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Filing: 1971-10-14
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Granted: 1974-06-28
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Expires: 1991-10-14
Abstract
Abstract AN ARTIFICIAL HIP JOINT IS PROVIDED HAVING AN ACETABULUM PROSTHESIS OF THE COTYLOID CAVITY DEFINING A SOCKET AND HAVING A PLURALITY OF BLADES EXTENDING OUTWARDLY AWAY FROM THE SOCKET FOR ENGAGING THE PREPARED WALL OF THE COTYLOID CAVITY. A PROSTHESIS OF THE HEAD OF THE FEMUR IS MOVABLY INTERCONNECTED WITH THE ACETABULUM PROSTHESIS AND INCLUDES A PIN TO BE DRIVEN INTO THE BONE-MARROW CHANNEL OF THE FEMUR, A CURVED NECK INTEGRAL WITH THE PIN, AND A HIP BALL FIXEDLY POSITIONED ON THE NECK AND MOVABLY LOCATED WITHIN THE SOCKET, THE SOCKET ENVELOPING MORE THAN ONE-HALF OF THE HIP BALL TO PREVENT WITHDRAWAL OF THE HIP BALL FROM THE SOCKET.
Inventors
- 👤 K Sivash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:13
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/32; A61F2/30721; A61F2/30728; A61F2/30739; A61F2/36; A61F2/3662; A61F2/367; A61F2002/30001; A61F2002/30003; A61F2002/30004; A61F2002/3006; A61F2002/30107; A61F2/3094; A61F2002/30975; A61F2002/3233; A61F2/34; A61F2002/3401; A61F2002/3412; A61F2210/00; A61F2210/0009; A61F2250/00; A61F2250/0014; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00023; A61F2310/00029
Claims Analysis
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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) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |