US2292358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep-sea apparatus housing
Assignee: AT&T Inc
•
Filing: 1941-03-15
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Granted: 1942-08-11
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Expires: 1961-03-15
Abstract
No abstract record available.
Inventors
- 👤 Walter M Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:33
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/14; H02; H02G; H02G15/00; H02G15/08; H02G15/10; H02G15/12; H02G15/14; H03; H03G; H03G3/00; H03G3/20; H03G3/30
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) | 1945-08-10 | 1946-02-09 | 1946-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-10 | 1950-02-09 | 1950-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-10 | 1954-02-09 | 1954-08-11 | $7700.00 | Window Closed / Lapsed |