Patent US3519853A successfully refreshed from Google Patents.
US3519853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical sampling gates
Assignee: International Standard Electric Corp
•
Filing: 1967-02-08
•
Granted: 1970-07-07
•
Expires: 1987-02-08
Abstract
No abstract record available.
Inventors
- 👤 Edward Albert Feuell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:03
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/74; G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2963638A
Cited
US2991416A
Cited
US3098214A
Cited
US3278757A
Cited
US3302039A
Cited
US3345520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |