US2676512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting vasospasm
Assignee: CLINICAL INSTR Co
•
Filing: 1949-10-18
•
Granted: 1954-04-27
•
Expires: 1969-10-18
Abstract
No abstract record available.
Inventors
- 👤 Louis R Krasno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:44
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/16; A61B5/161
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE576807C
Cited
US2445672A
Cited
US1526781A
Cited
US1738708A
Cited
US1881810A
Cited
US1878973A
Cited
US1891084A
Cited
US1930460A
Cited
US2315945A
Cited
US2495708A
Cited
US2410237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |