US3320951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intramedullary prostheses
Assignee: Individual
•
Filing: 1964-12-07
•
Granted: 1967-05-23
•
Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Wittebol Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:20
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/32; A61F2/36; A61F2/3662; A61F2/367; A61F2002/30001; A61F2002/30667; A61F2002/30708; A61F2/30767; A61F2/30771; A61F2002/30772; A61F2002/30784; A61F2002/30785; A61F2002/30878; A61F2002/30884; A61F2/3609; A61F2002/3625; A61F2002/3627; A61F2002/3631; A61F2002/3678; A61F2002/368; A61F2/46; A61F2/4603; A61F2002/4619; A61F2250/00; A61F2250/0058; A61F2250/0084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A METAL INTRAMEDULLARY PROSTHESIS FOR A FRACTURE OF THE FEMORAL NECK IN THE HIP JOINT, COMPRISING A WIDELYEXTENDING, UPRIGHT, FLAT STEM AND A PROSTHETIC GLOBULAR HEAD CONNECTED THERETO BY A NECK PORTION HAVING A SUPPORTING FACE AT THE UPPER END OF THE STEM, SAID SUPPORTING FACE BEING POSITIONED SUBSTANTIALLY PERPENDICULARLY TO THE DIRECTION OF PRESSURE TO BE APPLIED BY IT DURING USE, THE CENTER OF THE GLOBULAR HEAD BEING POSITIONED OUTSIDE THE LONGITUDINAL AXIS OF THE STEM, THE CONNECTING NECK PORTION BETWEEN THE HEAD AND THE STEM HAVING SUCH A LENGTH THAT THE CENTER OF THE GLOBULAR HEAD LIES IN A PLANE PERPENDICULAR TO SAID SUPPORTING FACE AT THE UPPER END OF THE STEM THAT ENCLOSES AN ANGLE WITH THE LONGITUDINAL MEDIAL PLANE OF THE FLAT STEM.
Claim 2
Dependent Claim
127 words
A METAL INTRAMEDULLARY PROSTHESIS FOR A FRACTURE OF THE FEMORAL NECK IN THE HIP JOINT, COMPRISING A WIDELYEXTENDING, UPRIGHT, FLAT STEM AND A PROSTHETIC GLOBULAR HEAD CONNECTED THERETO BY A NECK PORTION HAVING A SUPPORTING FACE AT THE UPPER END OF THE STEM, SAID SUPPORTING FACE BEING POSITIONED SUBSTANTIALLY PERPENDICULARLY TO THE DIRECTION OF PRESSURE TO BE APPLIED BY IT DURING USE, THE CENTER OF THE GLOBULAR HEAD BEING POSITIONED OUTSIDE THE LONGITUDINAL AXIS OF THE STEM, THE CONNECTING NECK PORTION BETWEEN THE HEAD AND THE STEM HAVING SUCH A LENGTH THAT THE CENTER OF THE GLOBULAR HEAD LIES IN A PLANE PERPENDICULAR TO SAID SUPPORTING FACE AT THE UPPER END OF THE STEM THAT ENCLOSES AN ANGLE WITH THE LONGITUDINAL MEDIAL PLANE OF THE FLAT STEM.
References Cited (Backward Citations)
US3228393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |