Patent US1695627A successfully refreshed from Google Patents.
Patent US3526888A successfully refreshed from Google Patents.
US3526888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interference signal cancelling system for an integrating analog to digital converter
Assignee: Solitron Devices Inc
•
Filing: 1965-06-22
•
Granted: 1970-09-01
•
Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Richard L Knox
- 👤 Paul M Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:08
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; H; H03; H03M; H03M1/00; H03M1/12; H03M1/50; H03M1/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3185820A
Cited
US3333090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |