US2978587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining the absorption curve of radioactive isotopes
Assignee: Individual
•
Filing: 1955-05-11
•
Granted: 1961-04-04
•
Expires: 1975-05-11
Abstract
No abstract record available.
Inventors
- 👤 Forro Madeleine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:29
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/17; G01T1/178
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1907750A
Cited
US2599166A
Cited
US2543675A
Cited
US2666857A
Cited
US2692950A
Cited
US2675479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |