Patent US3510883A successfully refreshed from Google Patents.
US3510883A
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US
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Joint prosthesis
Assignee: ROBERT F CATHCART
•
Filing: 1967-10-30
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Granted: 1970-05-12
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Expires: 1987-10-30
Abstract
No abstract record available.
Inventors
- 👤 Robert F Cathcart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:39
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/32; A61F2/36; A61F2/3662; A61F2/367; A61F2/30767; A61F2002/30934; A61F2/3609; A61F2002/3611; A61F2002/3623; A61F2002/3625; A61F2002/3631; A61F2002/3678; A61F2002/368
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3228393A
Cited
US3320951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |