US2685877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Femoral head prosthesis
Assignee: Individual
•
Filing: 1952-03-20
•
Granted: 1954-08-10
•
Expires: 1972-03-20
Abstract
No abstract record available.
Inventors
- 👤 Dobelle Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:44
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/32; A61F2/36; A61F2/3662; A61F2/3601; A61F2/3603; A61F2002/30001; A61F2002/30316; A61F2002/30329; A61F2002/30331; A61F2002/30354; A61F2002/30405; A61F2002/30476; A61F2002/30507; A61F2002/30535; A61F2002/30579; A61F2002/30621; A61F2002/30624; A61F2002/30632; A61F2/30767; A61F2/30771; A61F2002/30772; A61F2002/30774; A61F2/46; A61F2/4637; A61F2002/4638; A61F2220/00; A61F2220/0025; A61F2220/0033; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |