Patent US2464577A successfully refreshed from Google Patents.
US2464577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuating mechanism for artificial hands
Assignee: Individual
•
Filing: 1946-01-31
•
Granted: 1949-03-15
•
Expires: 1966-01-31
Abstract
No abstract record available.
Inventors
- 👤 Hobbs Edward Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:15
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/54; A61F2/58; A61F2/583
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE315842C
Cited
GB132859A
Cited
US51238A
Cited
US670684A
Cited
FR558963A
Cited
US2028670A
Cited
US2230378A
Cited
US2301009A
Cited
US2364313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |