US2473723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making prosthesis
Assignee: Individual
•
Filing: 1945-11-05
•
Granted: 1949-06-21
•
Expires: 1965-11-05
Abstract
No abstract record available.
Inventors
- 👤 Alex A Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:30
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/54; A61F2/58; A61F2/583; A61F2/5044; A61F2/5046; B; B29; B29C; B29C39/00; A61F2002/5053; Y; Y10; Y10S; Y10S264/00; Y10S264/30; Y10S264/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE15641E
Cited
US996783A
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US1776622A
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US1902627A
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US2028808A
Cited
US2119590A
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US2207730A
Cited
US2341999A
Cited
US2363213A
Cited
US2382403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |