US2360479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser dielectric and method of making
Assignee: AT&T Inc
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Filing: 1942-07-10
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Granted: 1944-10-17
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Expires: 1962-07-10
Abstract
No abstract record available.
Inventors
- 👤 Judson N Detrick
- 👤 Hal F Fruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/634; C04B35/63404; C04B35/63416; C04B35/01; C04B35/46; C04B35/63432; Y; Y10; Y10S; Y10S264/00; Y10S264/44; Y10S264/63; Y10S425/00; Y10S425/012; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-10-17 | 1948-04-17 | 1948-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-17 | 1952-04-17 | 1952-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-17 | 1956-04-17 | 1956-10-17 | $7700.00 | Window Closed / Lapsed |