US2975411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog to digital converter apparatus
Assignee: Honeywell Inc
•
Filing: 1957-05-21
•
Granted: 1961-03-14
•
Expires: 1977-05-21
Abstract
No abstract record available.
Inventors
- 👤 Henry L Hauson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:33
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/64; H03M1/645
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2695384A
Cited
US2685054A
Cited
US2775754A
Cited
US2784396A
Cited
US2729773A
Cited
US2874370A
Cited
US2857586A
Cited
US2840637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |