US2742586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-section geiger-mueller counter
Assignee: Individual
•
Filing: 1952-04-18
•
Granted: 1956-04-17
•
Expires: 1972-04-18
Abstract
No abstract record available.
Inventors
- 👤 Friedman Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:46
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/18; H; H01; H01J; H01J47/00; H01J47/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2397661A
Cited
US2445305A
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US2559526A
Cited
US2457781A
Cited
US2552723A
Cited
US2519007A
Cited
US2612615A
Cited
US2649554A
Cited
US2536314A
Cited
US2657315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |