US3521302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prosthetic implant joint having compressible slide members to promote joint lubrication
Assignee: Sulzer AG
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Filing: 1967-09-01
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Granted: 1970-07-21
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Expires: 1987-09-01
Abstract
No abstract record available.
Inventors
- 👤 Maurice E Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:27
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/32; A61F2/36; A61F2/3601; A61F2/3603; A61L; A61L27/00; A61L27/02; A61L27/04; A61L27/045; A61F2002/30001; A61F2002/30108; A61F2002/3011; A61F2002/30112; A61F2002/30113; A61F2002/30199; A61F2002/30224; A61F2002/30225; A61F2002/30667; A61F2002/30673; A61F2/30721; A61F2002/30733; A61F2/30767; A61F2/30771; A61F2002/30795; A61F2002/30807; A61F2002/3081; A61F2002/30878; A61F2002/30934; A61F2/34; A61F2002/348; A61F2002/3495; A61F2/46; A61F2002/4631; A61F2002/4635; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0006; A61F2230/0063; A61F2230/0069; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00029; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32778
Claims Analysis
Total Claims: 0
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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) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |