US2969534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital transformer
Assignee: Bendix Corp
•
Filing: 1955-05-19
•
Granted: 1961-01-24
•
Expires: 1975-05-19
Abstract
No abstract record available.
Inventors
- 👤 Walter W Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:57
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2369474A
Cited
US2453454A
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US2630562A
Cited
US2625822A
Cited
GB731650A
Cited
US2685084A
Cited
US2738504A
Cited
US2808547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |