US3412246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark imaging device for mapping distribution of radiation
Assignee: Individual
•
Filing: 1965-04-02
•
Granted: 1968-11-19
•
Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 Norman H Horwitz
- 👤 James E Lofstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
H; H01; H01J; H01J47/00; A; A61; A61B; A61B6/00; A61B6/42; A61B6/4208; A61B6/4258; G; G01; G01T; G01T1/00; G01T1/16; G01T1/161; G01T1/164; G01T1/1641; G01T1/29; G01T1/2914; G01T1/2921; G01T1/2935; G21; G21K; G21K1/00; G21K1/02; G21K1/025; H01J47/10
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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |