US3046981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knee brace
Assignee: SURGICAL APPLIANCE IND
•
Filing: 1957-04-29
•
Granted: 1962-07-31
•
Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest R Biggs
- 👤 Hector E Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:08
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0104; A61F5/0106; A61F5/0109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189816032A
Cited
US1189977A
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US1258052A
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DE353160C
Cited
US1388772A
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US1622211A
Cited
DE532262C
Cited
US2220836A
Cited
FR840438A
Cited
US2311483A
Cited
US2467907A
Cited
US2858540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |