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Patent US3451232A successfully refreshed from Google Patents.
US3451232A
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US
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Knitted protective article for wearing in a prosthesis or orthopedic appliance and method of making the same
Assignee: Individual
•
Filing: 1967-04-05
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Granted: 1969-06-24
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Expires: 1987-04-05
Abstract
No abstract record available.
Inventors
- 👤 David Belzidsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:23
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/22; A; A61; A61F; A61F2/00; A61F2/50; A61F2/78; A61F2/7812; A61F2002/7818; A61F2250/00; A61F2250/0014; A61F2250/0028; D10; D10B; D10B2403/00; D10B2403/01; D10B2403/011; D10B2403/0114; D10B2509/00; D10B2509/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321966A
Cited
US3331221A
Cited
US2412087A
Cited
US3307379A
Cited
US3259915A
Cited
FR1445063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |