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US2440894A
Expired / Lapsed
US
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Neuropathic aid
Assignee: Individual
•
Filing: 1946-04-19
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Granted: 1948-05-04
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Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Orville S Caesar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:04
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0104; A61F5/0111; A61F5/0113; A61H; A61H1/00; A61H1/02; A61H1/0237; A61H1/0266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US246984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |