US2075583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot for artificial limbs
Assignee: Individual
•
Filing: 1935-08-31
•
Granted: 1937-03-30
•
Expires: 1955-08-31
Abstract
No abstract record available.
Inventors
- 👤 Lange Gottlieb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:24
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/60; A61F2/602; A61F2/66; A61F2002/6614; A61F2002/6657
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) | 1940-03-29 | 1940-09-28 | 1941-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-29 | 1944-09-28 | 1945-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-29 | 1948-09-28 | 1949-03-30 | $7700.00 | Window Closed / Lapsed |