US2492383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical headlock
Assignee: Individual
•
Filing: 1943-08-09
•
Granted: 1949-12-27
•
Expires: 1963-08-09
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:08
CPC Classifications
A; A61; A61B; A61B90/00; A61B90/10; A61B90/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US245639A
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US289743A
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US321809A
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US402095A
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US527056A
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US571209A
Cited
US1039414A
Cited
US1721221A
Cited
US2172797A
Cited
US2090865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |