Patent US3770384A successfully refreshed from Google Patents.
Patent US3488779A successfully refreshed from Google Patents.
US3488779A
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Orthopedic prosthetic appliances for attachment to bone
Assignee: ROBERT W CHRISTENSEN
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Filing: 1967-09-27
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Granted: 1970-01-13
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Expires: 1987-09-27
Abstract
No abstract record available.
Inventors
- 👤 Robert W Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:54
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/80; A61B17/8061; A61B17/8071; A61F; A61F2/00; A61F2/02; A61F2/28; A61F2/2803; A61F2/2846; A61F2/30; A61F2/30988; A61F2/3099; A61B17/84; A61B17/86; A61F2002/2835; A61F2002/30001; A61F2002/30003; A61F2002/3006; A61F2002/30065; A61F2002/30316; A61F2002/30329; A61F2002/30331; A61F2002/30332; A61F2002/30383; A61F2002/30433; A61F2002/30448; A61F2002/30449; A61F2002/30476; A61F2002/30492; A61F2210/00; A61F2210/0071; A61F2220/00; A61F2220/0025; A61F2220/0033; A61F2220/0041; A61F2220/005; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00017; A61F2310/00029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
SU194246A1
Cited
US1136397A
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US2372866A
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US2486303A
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US2696817A
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US2839815A
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US3178728A
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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) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |