Patent US3528109A successfully refreshed from Google Patents.
US3528109A
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US
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Prosthetic bone joint socket
Assignee: National Research Development Corp UK
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Filing: 1968-01-31
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Granted: 1970-09-15
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Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 John Tracey Scales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:46
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/30721; A61F2/30724; A61F2/32; A61F2/34; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61F2002/30001; A61F2002/30108; A61F2002/30199; A61F2002/30205; A61F2002/30214; A61F2/30767; A61F2/30771; A61F2002/3082; A61F2002/30827; A61F2002/30878; A61F2002/30879; A61F2002/30891; A61F2002/30894; A61F2002/3412; A61F2002/3417; A61F2002/3429; A61F2/46; A61F2002/4631; A61F2230/00; A61F2230/0063; A61F2230/0067
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) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |