US2922151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Translating circuits
Assignee: AT&T Inc
•
Filing: 1954-02-17
•
Granted: 1960-01-19
•
Expires: 1974-02-17
Abstract
No abstract record available.
Inventors
- 👤 Paul A Reiling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:49
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/06; H03M1/0617
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2486390A
Cited
US2453454A
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US2539623A
Cited
US2660618A
Cited
US2541039A
Cited
US2641522A
Cited
US2627039A
Cited
US2629834A
Cited
US2665845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |