Patent US2349952A successfully refreshed from Google Patents.
US2349952A
Expired / Lapsed
US
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Electrical conductor
Assignee: AT&T Inc
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Filing: 1939-04-22
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Granted: 1944-05-30
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Expires: 1959-04-22
Abstract
No abstract record available.
Inventors
- 👤 Calvin S Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B7/282; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2459
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) | 1947-05-30 | 1947-11-29 | 1948-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-30 | 1951-11-29 | 1952-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-30 | 1955-11-29 | 1956-05-30 | $7700.00 | Window Closed / Lapsed |