US2632440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leg brace joint and lock
Assignee: Individual
•
Filing: 1947-12-17
•
Granted: 1953-03-24
•
Expires: 1967-12-17
Abstract
No abstract record available.
Inventors
- 👤 John M Hauser
- 👤 Snow Burke Mcarthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:10
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0123; A61F2005/0132; A61F2005/0158; A61F2005/016; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32081; Y10T403/32254; Y10T403/32262; Y10T403/32295; Y10T403/32319; Y10T403/32409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US50770A
Cited
US489258A
Cited
US552143A
Cited
US1847823A
Cited
US2267848A
Cited
US2395120A
Cited
US2477591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |