US2967017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital to analog converter of angular values
Assignee: Inductosyn Corp
•
Filing: 1956-07-03
•
Granted: 1961-01-03
•
Expires: 1976-07-03
Abstract
No abstract record available.
Inventors
- 👤 Robert W Tripp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:18
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/66; H03M1/72; H03M1/06; H03M1/0617; H03M1/0675; H03M1/069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2467646A
Cited
US2781967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |