US3473527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthopedic knee support
Assignee: Professional Medical Products Inc
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Filing: 1967-02-14
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Granted: 1969-10-21
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Expires: 1987-02-14
Abstract
No abstract record available.
Inventors
- 👤 Irving Spiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:20
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0104; A61F5/0106; A61F5/0109; A41; A41D; A41D13/00; A41D13/05; A41D13/055; A41D13/0556; A41D13/0568
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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |