US2604596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bombardment induced conductivity in solid insulators
Assignee: AT&T Inc
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Filing: 1948-08-14
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Granted: 1952-07-22
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Expires: 1968-08-14
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Ahearn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:40
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/58; F04D29/586; F04D29/5893; G; G01; G01T; G01T1/00; G01T1/16; G01T1/26; H; H01; H01B; H01B1/00; H01B1/04; Y; Y10; Y10S; Y10S313/00; Y10S313/07
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) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |