US2315795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial limb
Assignee: Individual
•
Filing: 1940-06-17
•
Granted: 1943-04-06
•
Expires: 1960-06-17
Abstract
No abstract record available.
Inventors
- 👤 Conrad B Johnson
- 👤 Raymond B Trautman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:13
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/60; A61F2/66; A61F2/6607; A61F2/02; A61F2/30; A61F2002/30001; A61F2002/30108; A61F2002/3011; A61F2002/30159; A61F2002/30166; A61F2002/30316; A61F2002/30329; A61F2002/30462; A61F2002/5007; A61F2002/5093; A61F2002/607; A61F2002/6614; A61F2220/00; A61F2220/0025; A61F2220/0075; A61F2230/00; A61F2230/0002; A61F2230/0028
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-04-05 | 1946-10-05 | 1947-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-05 | 1950-10-05 | 1951-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-05 | 1954-10-05 | 1955-04-06 | $7700.00 | Window Closed / Lapsed |