US2945220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analogue-digital converter
Assignee: Individual
•
Filing: 1955-03-09
•
Granted: 1960-07-12
•
Expires: 1975-03-09
Abstract
No abstract record available.
Inventors
- 👤 Lesti Arnold
- 👤 Baechtel Andrew Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:11
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/06; H03M1/0617
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2122748A
Cited
US2272070A
Cited
US2453454A
Cited
US2754503A
Cited
US2836356A
Cited
US2784396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |