US2681058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headset for fixation of facial fractures
Assignee: Individual
•
Filing: 1951-01-05
•
Granted: 1954-06-15
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Expires: 1971-01-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Mathues
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:22
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/04; A61F5/05; A61F5/058; A61F5/05883; A61F5/05891; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/60; A61B17/64; A61B17/6433
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) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |